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add cherry stabilizers and a few supporting tweaks

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This commit is contained in:
Bob - Home - Windows 2018-09-05 03:33:42 -04:00
parent 13683d9c4d
commit 81a7bf6ba6
9 changed files with 85 additions and 13 deletions
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3
src/functions.scad
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@ -5,6 +5,9 @@
// cherry stem dimensions
function outer_cherry_stem(slop) = [7.2 - slop * 2, 5.5 - slop * 2];
// cherry stabilizer stem dimensions
function outer_cherry_stabilizer_stem(slop) = [4.85 - slop * 2, 6.05 - slop * 2];
// box (kailh) switches have a bit less to work with
function outer_box_cherry_stem(slop) = [6 - slop, 6 - slop];

2
src/key.scad
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@ -286,7 +286,7 @@ module key(inset = false) {
}
// both stem and support are optional
if ($stem_type != "disable" || $stabilizer_type != "disable") {
if ($stem_type != "disable" || ($stabilizers != [] && $stabilizer_type != "disable")) {
dished($keytop_thickness, $inverted_dish) {
translate([0, 0, $stem_inset]) {
if ($stabilizer_type != "disable") stems_for($stabilizers, $stabilizer_type);

10
src/key_transformations.scad
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@ -34,9 +34,10 @@ module rotated() {
children();
}
module stabilized(mm=12, vertical = false, type="cherry") {
module stabilized(mm=12, vertical = false, type=undef) {
if (vertical) {
$stabilizer_type = type;
$stabilizer_type = type ? type : $stabilizer_type ? $stabilizer_type : "costar_stabilizer";
echo($stabilizer_type);
$stabilizers = [
[0, mm],
[0, -mm]
@ -44,7 +45,10 @@ module stabilized(mm=12, vertical = false, type="cherry") {
children();
} else {
$stabilizer_type = type;
echo($stabilizer_type);
$stabilizer_type = type ? type : $stabilizer_type ? $stabilizer_type : "costar_stabilizer";
echo($stabilizer_type);
$stabilizers = [
[mm, 0],
[-mm, 0]

6
src/settings.scad
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@ -92,7 +92,7 @@ $dish_overdraw_height = 0;
$cherry_bevel = true;
// How tall in mm the stem support is, if there is any. stem support sits around the keystem and helps to secure it while printing.
$stem_support_height = 0.4;
$stem_support_height = .8;
// Font used for text
$font="DejaVu Sans Mono:style=Book";
// Whether or not to render fake keyswitches to check clearances
@ -125,8 +125,8 @@ $legends = [];
// Dimensions of alps stem
$alps_stem = [4.45, 2.25];
// Enable stabilizers. If you don't want stabilizers use disable; most other keycaps use Cherry stabilizers
$stabilizer_type = "cherry"; // [cherry, rounded_cherry, alps, disable]
// Enable stabilizers. Stabilizers use their own special
$stabilizer_type = "costar_stabilizer"; // [costar_stabilizer, cherry_stabilizer, disable]
// Ternaries are ONLY for customizer. they will NOT work if you're using this in
// OpenSCAD. you should use stabilized(), openSCAD customizer,

12
src/stem_supports/brim.scad
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@ -8,7 +8,7 @@ module brim_support(stem_type, stem_support_height, slop) {
square($alps_stem + [2,2], center=true);
}
}
} else if (stem_type == "cherry") {
} else if (stem_type == "cherry" || stem_type == "costar_stabilizer") {
difference() {
linear_extrude(height = stem_support_height){
offset(r=1){
@ -33,5 +33,15 @@ module brim_support(stem_type, stem_support_height, slop) {
inside_cherry_cross(slop);
}
} else if (stem_type == "cherry_stabilizer") {
difference() {
linear_extrude(height = stem_support_height){
offset(r=1){
square(outer_cherry_stabilizer_stem(slop) + [2,2], center=true);
}
}
rotate(90) inside_cherry_cross(slop);
}
}
}

16
src/stem_supports/tines.scad
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@ -7,16 +7,26 @@ module centered_tines(stem_support_height) {
}
module tines_support(stem_type, stem_support_height, slop) {
if (stem_type == "cherry") {
if (stem_type == "cherry" || stem_type == "costar_stabilizer") {
difference () {
union() {
if ($key_length < 2) translate([0,0,$stem_support_height / 2]) cube([total_key_width($wall_thickness), 1, $stem_support_height], center = true);
translate([2,0,$stem_support_height / 2]) cube([1, total_key_height($wall_thickness), $stem_support_height], center = true);
translate([-2,0,$stem_support_height / 2]) cube([1, total_key_height($wall_thickness), $stem_support_height], center = true);
translate([1.15,0,$stem_support_height / 2]) cube([.5, total_key_height($wall_thickness), $stem_support_height], center = true);
translate([-1.15,0,$stem_support_height / 2]) cube([.5, total_key_height($wall_thickness), $stem_support_height], center = true);
}
inside_cherry_cross(slop);
}
} else if (stem_type == "cherry_stabilizer") {
difference () {
union() {
//if ($key_length < 2) translate([0,0,$stem_support_height / 2]) cube([total_key_width($wall_thickness), 1, $stem_support_height], center = true);
translate([1.15,0,$stem_support_height / 2]) cube([1, total_key_height($wall_thickness), $stem_support_height], center = true);
translate([-1.15,0,$stem_support_height / 2]) cube([1, total_key_height($wall_thickness), $stem_support_height], center = true);
}
rotate(90) inside_cherry_cross(slop);
}
} else if (stem_type == "box_cherry") {
difference () {
centered_tines(stem_support_height);

8
src/stems.scad
View File

@ -3,13 +3,14 @@ include <stems/rounded_cherry.scad>
include <stems/box_cherry.scad>
include <stems/alps.scad>
include <stems/filled.scad>
include <stems/stabilizer.scad>
//whole stem, alps or cherry, trimmed to fit
module stem(stem_type, depth, slop){
if (stem_type == "alps") {
alps_stem(depth, slop);
} else if (stem_type == "cherry") {
} else if (stem_type == "cherry" || stem_type == "costar_stabilizer") {
cherry_stem(depth, slop);
} else if (stem_type == "rounded_cherry") {
rounded_cherry_stem(depth, slop);
@ -17,9 +18,12 @@ module stem(stem_type, depth, slop){
box_cherry_stem(depth, slop);
} else if (stem_type == "filled") {
filled_stem();
} else if (stem_type == "cherry_stabilizer") {
cherry_stabilizer_stem(depth, slop);
} else if (stem_type == "disable") {
children();
} else {
echo("Warning: unsupported $stem_type");
echo("Warning: unsupported $stem_type: ");
echo(stem_type);
}
}

34
src/stems/stabilizer.scad Normal file
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@ -0,0 +1,34 @@
include <../functions.scad>
// extra length to the vertical tine of the inside cherry cross
// splits the stem into halves - allows easier fitment
extra_vertical = 0.6;
module inside_cherry_stabilizer_cross(slop) {
// inside cross
// translation purely for aesthetic purposes, to get rid of that awful lattice
translate([0,0,-0.005]) {
linear_extrude(height = $stem_throw) {
square(cherry_cross(slop, extra_vertical)[0], center=true);
square(cherry_cross(slop, extra_vertical)[1], center=true);
}
}
// Guides to assist insertion and mitigate first layer squishing
if ($cherry_bevel){
}
}
module cherry_stabilizer_stem(depth, slop) {
difference(){
// outside shape
linear_extrude(height = depth) {
offset(r=1){
square(outer_cherry_stabilizer_stem(slop) - [2,2], center=true);
}
}
rotate(90) inside_cherry_stabilizer_cross(slop);
}
}

7
src/supports/flared.scad
View File

@ -25,6 +25,13 @@ module flared(stem_type, loft, height) {
square(outer_box_cherry_stem($stem_slop) - [2,2], center=true);
}
}
} else if (stem_type == "cherry_stabilizer") {
cherry_scale = [scale_for_45(height, outer_cherry_stabilizer_stem($stem_slop)[0]), scale_for_45(height, outer_cherry_stabilizer_stem($stem_slop)[1])];
linear_extrude(height=height, scale = cherry_scale){
offset(r=1){
square(outer_cherry_stabilizer_stem($stem_slop) - [2,2], center=true);
}
}
} else {
// always render cherry if no stem type. this includes stem_type = false!
// this avoids a bug where the keycap is rendered filled when not desired