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stem inset, fixed SA
This commit is contained in:
Bob - Home - Windows
parent
7dc6020a5c
commit
c5b1ef0884
530
key - Copy.scad
Normal file
530
key - Copy.scad
Normal file
@ -0,0 +1,530 @@
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// Row 5? Cherry MX key
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//change to round things better
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$fn = 64;
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//scale of inner to outer shape
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key_wall_thickness_width = .8;
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key_wall_thickness_height = .8;
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key_wall_thickness_depth = .8;
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//length in units of key
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key_length = 1;
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//connector brim
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//enable brim for connector
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has_brim = 0;
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//brim radius. 11 ensconces normal keycap stem in normal keycap
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brim_radius = 11;
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//brim depth
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brim_depth = .3;
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//whether stabilizer connectors are enabled
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stabilizers = 0;
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//stabilizer distance
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stabilizer_distance = 50;
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inverted_dish = 0;
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//keycap type, [0..11]
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key_profile = 1;
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//profile specific stuff
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/*god, I would love a class right here
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here we have, for lack of a better implementation, an array
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that defines the more intimate aspects of a key.
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order is thus:
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1. Bottom Key Width: width of the immediate bottom of the key
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2. Bottom Key Height: height of the immediate bottom of the key
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3. Top Key Width Difference: mm to subtract from bottom key width to create top key width
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4. Top Key Height Difference: mm to subtract from bottom key height to create top key height
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5. total Depth: how tall the total in the switch is before dishing
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6. Top Tilt: X rotation of the top. Top and dish obj are rotated
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7. Top Skew: Y skew of the top of the key relative to the bottom. DCS has some, DSA has none (its centered)
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8. Dish Type: type of dishing. currently sphere and cylinder
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9. Dish Depth: how many mm to cut into the key with
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10. Dish Radius: radius of dish obj, the Sphere or Cylinder that cuts into the keycap
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*/
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key_profiles = [
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//DCS Profile
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[ //DCS ROW 5...erm...ish
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6, // Top Key Width Difference
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4, // Top Key Height Difference
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11.5, // total Depth
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-6, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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0, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //DCS ROW 1
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6, // Top Key Width Difference
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4, // Top Key Height Difference
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8.5, // total Depth
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-1, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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0, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //DCS ROW 2
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6.2, // Top Key Width Difference
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4, // Top Key Height Difference
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7.5, // total Depth
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3, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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0, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //DCS ROW 3
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6, // Top Key Width Difference
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4, // Top Key Height Difference
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6.2, // total Depth
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7, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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0, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //DCS ROW 4
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6, // Top Key Width Difference
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4, // Top Key Height Difference
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6.2, // total Depth
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16, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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0, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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//DSA Profile
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[ //DSA ROW 3
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18.4, // Bottom Key Width
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18.4, // Bottom Key Height
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5.7, // Top Key Width Difference
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5.7, // Top Key Height Difference
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7.4, // total Depth
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0, // Top Tilt
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0, // Top Skew
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//Dish Profile
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1, // Dish Type
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1.2, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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//SA Proile
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[ //SA ROW 1
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18.4, // Bottom Key Width
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18.4, // Bottom Key Height
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5.7, // Top Key Width Difference
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5.7, // Top Key Height Difference
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13.73, // total Depth, fudged
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0, // Top Tilt
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0, // Top Skew
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//Dish Profile
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1, // Dish Type
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2, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //SA ROW 2
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18.4, // Bottom Key Width
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18.4, // Bottom Key Height
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5.7, // Top Key Width Difference
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5.7, // Top Key Height Difference
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11.73, // total Depth
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0, // Top Tilt
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0, // Top Skew
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//Dish Profile
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1, // Dish Type
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2, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //SA ROW 3
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18.4, // Bottom Key Width
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18.4, // Bottom Key Height
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5.7, // Top Key Width Difference
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5.7, // Top Key Height Difference
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11.73, // total Depth
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0, // Top Tilt
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0, // Top Skew
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//Dish Profile
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1, // Dish Type
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1.6, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //SA ROW 4
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18.4, // Bottom Key Width
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18.4, // Bottom Key Height
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5.7, // Top Key Width Difference
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5.7, // Top Key Height Difference
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11.73, // total Depth
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0, // Top Tilt
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0, // Top Skew
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//Dish Profile
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1, // Dish Type
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2, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //DCS ROW 2 SPACEBAR
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6.2, // Top Key Width Difference
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4, // Top Key Height Difference
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7.5, // total Depth
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3, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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2, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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[ //DCS ROW 4 SPACEBAR (ORIGINAL)
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18.16, // Bottom Key Width
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18.16, // Bottom Key Height
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6, // Top Key Width Difference
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4, // Top Key Height Difference
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6.2, // total Depth
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16, // Top Tilt
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1.75,// Top Skew
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//Dish Profile
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2, // Dish Type
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1, // Dish Depth
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0, // Dish Skew X
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0 // DIsh Skew Y
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],
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];
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stem_profile=1;
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//libraries. they generate geometry
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//that is used by other things to generate features
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//centered
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module roundedRect(size, radius) {
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x = size[0];
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y = size[1];
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z = size[2];
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translate([-x/2,-y/2,0])
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linear_extrude(height=z)
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hull() {
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translate([radius, radius, 0])
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circle(r=radius);
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translate([x - radius, radius, 0])
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circle(r=radius);
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translate([x - radius, y - radius, 0])
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circle(r=radius);
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translate([radius, y - radius, 0])
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circle(r=radius);
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}
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}
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//bottom we can use to anchor things
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module inside(key_profile)
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{
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difference(){
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translate([0,0,50])
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cube([100,100,100],center=true);
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translate([0,0,-.1])
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shape(key_profile, 3);
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}
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}
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module cherry_stem(){
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// cross length
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cross_length = 4.4;
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//dimensions of connector
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// outer cross extra length in x
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extra_outer_cross_width = 2.11;
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// outer cross extra length in y
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extra_outer_cross_height = 1.1;
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// dimensions of cross
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// horizontal cross bar width
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horizontal_cross_width = 1.4;
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// vertical cross bar width
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vertical_cross_width = 1.3;
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//extra vertical cross length - the extra length of the up/down bar of the cross
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extra_vertical_cross_length = 1.1;
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// cross depth, stem height is 3.4mm
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cross_depth = 4;
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difference(){
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union(){
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translate(
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[
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-(cross_length+extra_outer_cross_width)/2,
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-(cross_length+extra_outer_cross_height)/2,
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0
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]
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)
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cube( // the base of the stem, the part the cruciform digs into
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[
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cross_length+extra_outer_cross_width,
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cross_length+extra_outer_cross_height,
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50
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]
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);
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if (has_brim == 1){ cylinder(r=brim_radius,h=brim_depth); }
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}
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//the cross part of the steam
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translate([0,0,(cross_depth)/2]){
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cube([vertical_cross_width,cross_length+extra_vertical_cross_length,cross_depth], center=true );//remove +2 to print with cross
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cube([cross_length,horizontal_cross_width,cross_depth], center=true );
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}
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}
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}
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module alps_stem(){
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cross_depth = 40;
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width = 4.45;
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height = 2.25;
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base_width = 12;
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base_height = 15;
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//translate([0,0,cross_depth + 50/2]) cube([base_width, base_height, 50], center=true);
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translate([0,0,(cross_depth/2)]){
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cube([width,height,cross_depth], center = true);
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}
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}
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//whole connector
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module connector(key_profile,has_brim){
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difference(){
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//TODO can I really not do an array index here?
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if(stem_profile==0) cherry_stem();
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if(stem_profile==1) alps_stem();
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inside(key_profile);
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}
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}
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//stabilizer connectors
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module stabilizer_connectors(key_profile,has_brim){
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translate([stabilizer_distance,0,0]) connector(key_profile, has_brim);
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translate([-stabilizer_distance,0,0]) connector(key_profile, has_brim);
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}
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//i h8 u scad
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module shape(key_profile, thickness){
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bottom_key_width = key_profile[0] ;
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bottom_key_height = key_profile[1];
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top_key_width_difference = key_profile[2];
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top_key_height_difference = key_profile[3];
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total_depth = key_profile[4] - thickness;
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top_tilt = key_profile[5];
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top_skew = key_profile[6];
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if (inverted_dish == 1){
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difference(){
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union(){
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shape_hull(key_profile, thickness, 1);
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dish(key_profile, thickness);
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}
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outside(key_profile, thickness);
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}
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}
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else{
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difference(){
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shape_hull(key_profile, thickness, 1);
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dish(key_profile, thickness);
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}
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}
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}
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//conicalish clipping shape to trim things off the outside of the keycap
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module outside(key_profile, thickness){
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difference(){
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cube([100000,100000,100000],center = true);
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shape_hull(key_profile, thickness, 2);
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}
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}
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//super basic hull shape without dish
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module shape_hull(key_profile, thickness, modifier){
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bottom_key_width = key_profile[0] ;
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bottom_key_height = key_profile[1];
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top_key_width_difference = key_profile[2];
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top_key_height_difference = key_profile[3];
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total_depth = key_profile[4] - thickness;
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top_tilt = key_profile[5];
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top_skew = key_profile[6];
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hull(){
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roundedRect([bottom_key_width*key_length - thickness,bottom_key_height - thickness,.001],1.5);
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translate([0,top_skew,total_depth * modifier])
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rotate([-top_tilt,0,0])
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roundedRect([bottom_key_width*key_length - thickness -top_key_width_difference * modifier,bottom_key_height - thickness -top_key_height_difference * modifier,.001],1.5);
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}
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}
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//end libraries
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//dish selector
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module dish(key_profile){ //this thing is a monster
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// names, so I don't go crazy
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total_key_width = key_profile[0];
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total_key_height = key_profile[1];
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width_difference = key_profile[2];
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height_difference = key_profile[3];
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total_depth = key_profile[4];
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top_tilt = key_profile[5];
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top_skew = key_profile[6];
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dish_type = key_profile[7];
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dish_depth = key_profile[8];
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dish_skew_x = key_profile[9];
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dish_skew_y = key_profile[10];
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//dependant variables
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key_width = total_key_width * key_length - width_difference;
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key_height = total_key_height - height_difference;
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if(dish_type == 0){ // cylindrical dish
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/* we do some funky math here
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* basically you want to have the dish "dig in" to the keycap x millimeters
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* in order to do that you have to solve a small (2d) system of equations
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* where the chord of the spherical cross section of the dish is
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* the width of the keycap.
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*/
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// the distance you have to move the dish up so it digs in dish_depth millimeters
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chord_length = (pow(key_width, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
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//the radius of the dish
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rad = (pow(key_width, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
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if (inverted_dish == 1){
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translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
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rotate([90-top_tilt,0,0])
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translate([0,-chord_length,0])
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cylinder(h=100,r=rad, $fn=1024, center=true);
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}
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else{
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translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
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rotate([90-top_tilt,0,0])
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translate([0,chord_length,0])
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cylinder(h=100,r=rad, $fn=1024, center=true);
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}
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}
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else if (dish_type == 1) { // spherical dish
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//same thing here, but we need the corners to just touch - so we have to find the hypotenuse of the top
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chord = pow((pow(key_width,2) + pow(key_height, 2)),0.5); //getting diagonal of the top
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// the distance you have to move the dish up so it digs in dish_depth millimeters
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chord_length = (pow(chord, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
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//the radius of the dish
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rad = (pow(chord, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
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if (inverted_dish == 1){
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translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
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translate([0,0,-chord_length])
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sphere(r=rad, $fn=256);
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}
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else{
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translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
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translate([0,0,chord_length])
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sphere(r=rad, $fn=256);
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}
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}
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else if (dish_type == 2){// SIDEWAYS cylindrical dish - used for spacebar
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chord_length = (pow(key_height, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
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rad = (pow(key_height, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
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if (inverted_dish == 1){
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([90,top_tilt,90])
|
||||
translate([0,-chord_length,0])
|
||||
cylinder(h=key_width + 20,r=rad, $fn=1024, center=true); // +20 just cuz
|
||||
}
|
||||
else{
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([90,top_tilt,90])
|
||||
translate([0,chord_length,0])
|
||||
cylinder(h=key_width + 20,r=rad, $fn=1024, center=true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//actual full key with space carved out and keystem/stabilizer connectors
|
||||
module key(key_profile){
|
||||
union(){
|
||||
difference(){
|
||||
shape(key_profile, 0);
|
||||
|
||||
translate([0,0,-.1])
|
||||
shape(key_profile, 3);
|
||||
}
|
||||
connector(key_profile,has_brim);
|
||||
if (stabilizers == 1){
|
||||
stabilizer_connectors(key_profile,has_brim);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
key(key_profiles[key_profile]);
|
||||
37
key.scad
37
key.scad
@ -26,10 +26,11 @@ stabilizers = 0;
|
||||
//stabilizer distance
|
||||
stabilizer_distance = 50;
|
||||
|
||||
// invert dishing. mostly for spacebar
|
||||
inverted_dish = 0;
|
||||
|
||||
//keycap type, [0..11]
|
||||
key_profile = 1;
|
||||
key_profile = 0;
|
||||
|
||||
//profile specific stuff
|
||||
|
||||
@ -53,7 +54,7 @@ key_profiles = [
|
||||
|
||||
//DCS Profile
|
||||
|
||||
[ //DCS ROW 5...erm...ish
|
||||
[ //DCS ROW 5
|
||||
18.16, // Bottom Key Width
|
||||
18.16, // Bottom Key Height
|
||||
6, // Top Key Width Difference
|
||||
@ -161,13 +162,13 @@ key_profiles = [
|
||||
5.7, // Top Key Width Difference
|
||||
5.7, // Top Key Height Difference
|
||||
13.73, // total Depth, fudged
|
||||
0, // Top Tilt
|
||||
-14, // Top Tilt
|
||||
0, // Top Skew
|
||||
|
||||
//Dish Profile
|
||||
|
||||
1, // Dish Type
|
||||
2, // Dish Depth
|
||||
1.2, // Dish Depth
|
||||
0, // Dish Skew X
|
||||
0 // DIsh Skew Y
|
||||
],
|
||||
@ -177,13 +178,13 @@ key_profiles = [
|
||||
5.7, // Top Key Width Difference
|
||||
5.7, // Top Key Height Difference
|
||||
11.73, // total Depth
|
||||
0, // Top Tilt
|
||||
-7, // Top Tilt
|
||||
0, // Top Skew
|
||||
|
||||
//Dish Profile
|
||||
|
||||
1, // Dish Type
|
||||
2, // Dish Depth
|
||||
1.2, // Dish Depth
|
||||
0, // Dish Skew X
|
||||
0 // DIsh Skew Y
|
||||
],
|
||||
@ -199,7 +200,7 @@ key_profiles = [
|
||||
//Dish Profile
|
||||
|
||||
1, // Dish Type
|
||||
1.6, // Dish Depth
|
||||
1.2, // Dish Depth
|
||||
0, // Dish Skew X
|
||||
0 // DIsh Skew Y
|
||||
],
|
||||
@ -209,13 +210,13 @@ key_profiles = [
|
||||
5.7, // Top Key Width Difference
|
||||
5.7, // Top Key Height Difference
|
||||
11.73, // total Depth
|
||||
0, // Top Tilt
|
||||
7, // Top Tilt
|
||||
0, // Top Skew
|
||||
|
||||
//Dish Profile
|
||||
|
||||
1, // Dish Type
|
||||
2, // Dish Depth
|
||||
1.2, // Dish Depth
|
||||
0, // Dish Skew X
|
||||
0 // DIsh Skew Y
|
||||
],
|
||||
@ -253,7 +254,11 @@ key_profiles = [
|
||||
],
|
||||
];
|
||||
|
||||
stem_profile=1;
|
||||
// cherry MX or Alps stem [0..1]
|
||||
stem_profile=0;
|
||||
|
||||
// how inset the stem is from the bottom of the key. experimental
|
||||
stem_inset=0;
|
||||
|
||||
//libraries. they generate geometry
|
||||
//that is used by other things to generate features
|
||||
@ -299,9 +304,9 @@ module cherry_stem(){
|
||||
cross_length = 4.4;
|
||||
//dimensions of connector
|
||||
// outer cross extra length in x
|
||||
extra_outer_cross_width = 2.11;
|
||||
extra_outer_cross_width = 2.10;
|
||||
// outer cross extra length in y
|
||||
extra_outer_cross_height = 1.1;
|
||||
extra_outer_cross_height = 1.0;
|
||||
// dimensions of cross
|
||||
// horizontal cross bar width
|
||||
horizontal_cross_width = 1.4;
|
||||
@ -318,7 +323,7 @@ module cherry_stem(){
|
||||
[
|
||||
-(cross_length+extra_outer_cross_width)/2,
|
||||
-(cross_length+extra_outer_cross_height)/2,
|
||||
0
|
||||
stem_inset
|
||||
]
|
||||
)
|
||||
cube( // the base of the stem, the part the cruciform digs into
|
||||
@ -331,7 +336,7 @@ module cherry_stem(){
|
||||
if (has_brim == 1){ cylinder(r=brim_radius,h=brim_depth); }
|
||||
}
|
||||
//the cross part of the steam
|
||||
translate([0,0,(cross_depth)/2]){
|
||||
translate([0,0,(cross_depth)/2 + stem_inset]){
|
||||
cube([vertical_cross_width,cross_length+extra_vertical_cross_length,cross_depth], center=true );//remove +2 to print with cross
|
||||
cube([cross_length,horizontal_cross_width,cross_depth], center=true );
|
||||
}
|
||||
@ -347,7 +352,7 @@ module alps_stem(){
|
||||
base_height = 15;
|
||||
|
||||
//translate([0,0,cross_depth + 50/2]) cube([base_width, base_height, 50], center=true);
|
||||
translate([0,0,(cross_depth/2)]){
|
||||
translate([0,0,cross_depth/2 + stem_inset]){
|
||||
cube([width,height,cross_depth], center = true);
|
||||
}
|
||||
|
||||
@ -481,11 +486,13 @@ module dish(key_profile){ //this thing is a monster
|
||||
|
||||
if (inverted_dish == 1){
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([-top_tilt,0,0])
|
||||
translate([0,0,-chord_length])
|
||||
sphere(r=rad, $fn=256);
|
||||
}
|
||||
else{
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([-top_tilt,0,0])
|
||||
translate([0,0,chord_length])
|
||||
sphere(r=rad, $fn=256);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user