KeyV2/stems.scad

119 lines
3.1 KiB
OpenSCAD

// TODO uh what
cross_height = 25;
/* [Brim] */
//brim radius. 11 ensconces normal keycap stem in normal keycap
brim_radius = 6;
//brim depth
brim_depth = .3;
module brim(has_brim) {
if (has_brim) color([0,1,0]) cylinder(r=brim_radius,h=brim_depth);
}
module cherry_stem(has_brim) {
// cross length
cross_length = 4.4;
//extra vertical cross length - the extra length of the up/down bar of the cross
extra_vertical_cross_length = 1.1;
//dimensions of connector
// outer cross extra length in x
extra_outer_cross_width = 2.10;
// outer cross extra length in y
extra_outer_cross_height = 1.0;
// dimensions of cross
// horizontal cross bar width
horizontal_cross_width = 1.4;
// vertical cross bar width
vertical_cross_width = 1.3;
// cross depth, stem height is 3.4mm
cross_depth = 4;
difference(){
translate([0,0,stem_inset]) {
brim(has_brim);
translate([
-(cross_length+extra_outer_cross_width)/2,
-(cross_length+extra_outer_cross_height)/2,
0
])
cube([ // the base of the stem, the part the cruciform digs into
cross_length+extra_outer_cross_width,
cross_length+extra_outer_cross_height,
cross_height
]);
}
//the cross part of the steam
translate([0,0,(cross_depth)/2 + stem_inset]){
cube([vertical_cross_width,cross_length+extra_vertical_cross_length,cross_depth], center=true );
cube([cross_length,horizontal_cross_width,cross_depth], center=true );
}
}
}
module cherry_stem_rounded(has_brim) {
// cross length
cross_length = 4.4;
//dimensions of connector
// outer cross extra length in x
extra_outer_cross_width = 2.10;
// outer cross extra length in y
extra_outer_cross_height = 1.0;
// dimensions of cross
// horizontal cross bar width
horizontal_cross_width = 1.4;
// vertical cross bar width
vertical_cross_width = 1.3;
// cross depth, stem height is 3.4mm
cross_depth = 4;
difference(){
union(){
cylinder(
d = cross_length+extra_outer_cross_height,
h = cross_height
);
brim(has_brim);
}
//the cross part of the steam
translate([0,0,(cross_depth)/2 + stem_inset]){
cube([vertical_cross_width,cross_length,cross_depth], center=true );
cube([cross_length,horizontal_cross_width,cross_depth], center=true );
}
}
}
module alps_stem(has_brim = false){
cross_depth = 40;
width = 4.45;
height = 2.25;
base_width = 12;
base_height = 15;
brim(has_brim);
translate([0,0,cross_depth/2 + stem_inset]){
cube([width,height,cross_depth], center = true);
}
}
module filled_stem(has_brim=false) {
// this is mostly for testing. we don't pass the size of the keycp in here
// so we can't make this work for all keys
cube(100, center=true);
}
//whole connector, alps or cherry, trimmed to fit
module connector(stem_profile, has_brim){
if (stem_profile == "alps") {
alps_stem(has_brim);
} else if (stem_profile == "cherry_rounded") {
cherry_stem_rounded(has_brim);
} else if (stem_profile == "cherry") {
cherry_stem(has_brim);
} else if (stem_profile == "filled") {
filled_stem();
}
}