refactor. add stem offset
This commit is contained in:
Bob - Home - Windows
parent
87c626d318
commit
c1c166d9dc
337
key.scad
337
key.scad
|
|
@ -1,15 +1,27 @@
|
|||
// Row 5? Cherry MX key
|
||||
/* [Hidden] */
|
||||
|
||||
//change to round things better
|
||||
$fn = 64;
|
||||
unit = 19.05;
|
||||
|
||||
//scale of inner to outer shape
|
||||
key_wall_thickness_width = .8;
|
||||
key_wall_thickness_width = .8;
|
||||
key_wall_thickness_height = .8;
|
||||
key_wall_thickness_depth = .8;
|
||||
key_wall_thickness_depth = .8;
|
||||
|
||||
/* [Key] */
|
||||
|
||||
//length in units of key
|
||||
key_length = 1;
|
||||
|
||||
|
||||
//keycap type, [0:DCS Row 5, 1:DCS Row 1, 2:DCS Row 2, 3:DCS Row 3, 4:DCS Row 4, 5:DSA Row 3, 6:SA Row 1, 7:SA Row 2, 8:SA Row 3, 9:SA Row 4, 10:DCS Row 4 Spacebar]
|
||||
key_profile = 0;
|
||||
|
||||
|
||||
|
||||
/* [Brim] */
|
||||
|
||||
//connector brim
|
||||
//enable brim for connector
|
||||
has_brim = 0;
|
||||
|
|
@ -20,22 +32,35 @@ brim_depth = .3;
|
|||
|
||||
|
||||
|
||||
/* [Stabilizers] */
|
||||
|
||||
//whether stabilizer connectors are enabled
|
||||
stabilizers = 0;
|
||||
|
||||
//stabilizer distance
|
||||
//stabilizer distance in mm
|
||||
stabilizer_distance = 50;
|
||||
|
||||
|
||||
/* [Dish] */
|
||||
|
||||
// invert dishing. mostly for spacebar
|
||||
inverted_dish = 0;
|
||||
|
||||
//keycap type, [0..11]
|
||||
key_profile = 0;
|
||||
/* [Stem] */
|
||||
|
||||
// cherry MX or Alps stem, or totally broken circular cherry stem [0..2]
|
||||
stem_profile = 0;
|
||||
|
||||
// how inset the stem is from the bottom of the key. experimental. requires support
|
||||
stem_inset = 0;
|
||||
|
||||
// stem offset in units NOT MM. for stepped caps lock
|
||||
stem_offset = 0;
|
||||
|
||||
//profile specific stuff
|
||||
|
||||
/*god, I would love a class right here
|
||||
here we have, for lack of a better implementation, an array
|
||||
/*
|
||||
Here we have, for lack of a better implementation, an array
|
||||
that defines the more intimate aspects of a key.
|
||||
order is thus:
|
||||
1. Bottom Key Width: width of the immediate bottom of the key
|
||||
|
|
@ -45,7 +70,7 @@ key_profile = 0;
|
|||
5. total Depth: how tall the total in the switch is before dishing
|
||||
6. Top Tilt: X rotation of the top. Top and dish obj are rotated
|
||||
7. Top Skew: Y skew of the top of the key relative to the bottom. DCS has some, DSA has none (its centered)
|
||||
8. Dish Type: type of dishing. currently sphere and cylinder
|
||||
8. Dish Type: type of dishing. check out dish function for the options
|
||||
9. Dish Depth: how many mm to cut into the key with
|
||||
10. Dish Radius: radius of dish obj, the Sphere or Cylinder that cuts into the keycap
|
||||
*/
|
||||
|
|
@ -220,23 +245,7 @@ key_profiles = [
|
|||
0, // Dish Skew X
|
||||
0 // DIsh Skew Y
|
||||
],
|
||||
[ //DCS ROW 2 SPACEBAR
|
||||
18.16, // Bottom Key Width
|
||||
18.16, // Bottom Key Height
|
||||
6.2, // Top Key Width Difference
|
||||
4, // Top Key Height Difference
|
||||
7.5, // total Depth
|
||||
3, // Top Tilt
|
||||
1.75,// Top Skew
|
||||
|
||||
//Dish Profile
|
||||
|
||||
2, // Dish Type
|
||||
1, // Dish Depth
|
||||
0, // Dish Skew X
|
||||
0 // DIsh Skew Y
|
||||
],
|
||||
[ //DCS ROW 4 SPACEBAR (ORIGINAL)
|
||||
[ //DCS ROW 4 SPACEBAR
|
||||
18.16, // Bottom Key Width
|
||||
18.16, // Bottom Key Height
|
||||
6, // Top Key Width Difference
|
||||
|
|
@ -254,15 +263,6 @@ key_profiles = [
|
|||
],
|
||||
];
|
||||
|
||||
// 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
|
||||
|
||||
//centered
|
||||
module roundedRect(size, radius) {
|
||||
x = size[0];
|
||||
|
|
@ -286,7 +286,6 @@ module roundedRect(size, radius) {
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
//bottom we can use to anchor things
|
||||
module inside(key_profile)
|
||||
{
|
||||
|
|
@ -302,6 +301,8 @@ module inside(key_profile)
|
|||
module cherry_stem(){
|
||||
// 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;
|
||||
|
|
@ -312,32 +313,33 @@ module cherry_stem(){
|
|||
horizontal_cross_width = 1.4;
|
||||
// vertical cross bar width
|
||||
vertical_cross_width = 1.3;
|
||||
//extra vertical cross length - the extra length of the up/down bar of the cross
|
||||
extra_vertical_cross_length = 1.1;
|
||||
// cross depth, stem height is 3.4mm
|
||||
cross_depth = 4;
|
||||
|
||||
difference(){
|
||||
union(){
|
||||
translate(
|
||||
[
|
||||
-(cross_length+extra_outer_cross_width)/2,
|
||||
-(cross_length+extra_outer_cross_height)/2,
|
||||
stem_inset
|
||||
]
|
||||
)
|
||||
cube( // the base of the stem, the part the cruciform digs into
|
||||
[
|
||||
if (stem_profile != 2){
|
||||
translate([
|
||||
-(cross_length+extra_outer_cross_width)/2,
|
||||
-(cross_length+extra_outer_cross_height)/2,
|
||||
stem_inset
|
||||
])
|
||||
cube([ // the base of the stem, the part the cruciform digs into
|
||||
cross_length+extra_outer_cross_width,
|
||||
cross_length+extra_outer_cross_height,
|
||||
50
|
||||
]
|
||||
);
|
||||
]);
|
||||
} else {
|
||||
cylinder(
|
||||
d = cross_length+extra_outer_cross_height,
|
||||
h = 50
|
||||
);
|
||||
}
|
||||
if (has_brim == 1){ cylinder(r=brim_radius,h=brim_depth); }
|
||||
}
|
||||
//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 );//remove +2 to print with cross
|
||||
cube([vertical_cross_width,cross_length+extra_vertical_cross_length,cross_depth], center=true );
|
||||
cube([cross_length,horizontal_cross_width,cross_depth], center=true );
|
||||
}
|
||||
}
|
||||
|
|
@ -355,16 +357,17 @@ module alps_stem(){
|
|||
translate([0,0,cross_depth/2 + stem_inset]){
|
||||
cube([width,height,cross_depth], center = true);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
//whole connector
|
||||
module connector(key_profile,has_brim){
|
||||
difference(){
|
||||
//TODO can I really not do an array index here?
|
||||
if(stem_profile==0) cherry_stem();
|
||||
if(stem_profile==1) alps_stem();
|
||||
translate([-unit * stem_offset, 0, 0])
|
||||
union(){
|
||||
if(stem_profile == 0 || stem_profile == 2) cherry_stem();
|
||||
if(stem_profile == 1) alps_stem();
|
||||
}
|
||||
inside(key_profile);
|
||||
}
|
||||
}
|
||||
|
|
@ -404,6 +407,7 @@ module shape(key_profile, thickness){
|
|||
}
|
||||
|
||||
//conicalish clipping shape to trim things off the outside of the keycap
|
||||
// literally just a key with height of 2 to make sure nothing goes awry with dishing etc
|
||||
module outside(key_profile, thickness){
|
||||
difference(){
|
||||
cube([100000,100000,100000],center = true);
|
||||
|
|
@ -429,10 +433,26 @@ module shape_hull(key_profile, thickness, modifier){
|
|||
roundedRect([bottom_key_width*key_length - thickness -top_key_width_difference * modifier,bottom_key_height - thickness -top_key_height_difference * modifier,.001],1.5);
|
||||
}
|
||||
}
|
||||
//end libraries
|
||||
|
||||
//dish selector
|
||||
module dish(key_profile){ //this thing is a monster
|
||||
dish_type = key_profile[7];
|
||||
|
||||
if(dish_type == 0){ // cylindrical dish
|
||||
cylindrical_dish(key_profile);
|
||||
}
|
||||
else if (dish_type == 1) { // spherical dish
|
||||
spherical_dish(key_profile);
|
||||
}
|
||||
else if (dish_type == 2){ // SIDEWAYS cylindrical dish - used for spacebar
|
||||
sideways_cylindrical_dish(key_profile);
|
||||
}
|
||||
else if (dish_type == 3){
|
||||
// no dish
|
||||
}
|
||||
}
|
||||
|
||||
module cylindrical_dish(key_profile){
|
||||
// names, so I don't go crazy
|
||||
total_key_width = key_profile[0];
|
||||
total_key_height = key_profile[1];
|
||||
|
|
@ -450,70 +470,105 @@ module dish(key_profile){ //this thing is a monster
|
|||
key_width = total_key_width * key_length - width_difference;
|
||||
key_height = total_key_height - height_difference;
|
||||
|
||||
if(dish_type == 0){ // cylindrical dish
|
||||
/* we do some funky math here
|
||||
* basically you want to have the dish "dig in" to the keycap x millimeters
|
||||
* in order to do that you have to solve a small (2d) system of equations
|
||||
* where the chord of the spherical cross section of the dish is
|
||||
* the width of the keycap.
|
||||
*/
|
||||
// the distance you have to move the dish up so it digs in dish_depth millimeters
|
||||
chord_length = (pow(key_width, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
//the radius of the dish
|
||||
rad = (pow(key_width, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
/* we do some funky math here
|
||||
* basically you want to have the dish "dig in" to the keycap x millimeters
|
||||
* in order to do that you have to solve a small (2d) system of equations
|
||||
* where the chord of the spherical cross section of the dish is
|
||||
* the width of the keycap.
|
||||
*/
|
||||
// the distance you have to move the dish up so it digs in dish_depth millimeters
|
||||
chord_length = (pow(key_width, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
//the radius of the dish
|
||||
rad = (pow(key_width, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
|
||||
if (inverted_dish == 1){
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([90-top_tilt,0,0])
|
||||
translate([0,-chord_length,0])
|
||||
cylinder(h=100,r=rad, $fn=1024, center=true);
|
||||
}
|
||||
else{
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([90-top_tilt,0,0])
|
||||
translate([0,chord_length,0])
|
||||
cylinder(h=100,r=rad, $fn=1024, center=true);
|
||||
}
|
||||
if (inverted_dish == 1){
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([90-top_tilt,0,0])
|
||||
translate([0,-chord_length,0])
|
||||
cylinder(h=100,r=rad, $fn=1024, center=true);
|
||||
}
|
||||
else if (dish_type == 1) { // spherical dish
|
||||
//same thing here, but we need the corners to just touch - so we have to find the hypotenuse of the top
|
||||
chord = pow((pow(key_width,2) + pow(key_height, 2)),0.5); //getting diagonal of the top
|
||||
|
||||
// the distance you have to move the dish up so it digs in dish_depth millimeters
|
||||
chord_length = (pow(chord, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
//the radius of the dish
|
||||
rad = (pow(chord, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
|
||||
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);
|
||||
}
|
||||
else{
|
||||
translate([dish_skew_x, top_skew + dish_skew_y, total_depth])
|
||||
rotate([90-top_tilt,0,0])
|
||||
translate([0,chord_length,0])
|
||||
cylinder(h=100,r=rad, $fn=1024, center=true);
|
||||
}
|
||||
else if (dish_type == 2){// SIDEWAYS cylindrical dish - used for spacebar
|
||||
|
||||
chord_length = (pow(key_height, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
rad = (pow(key_height, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
module spherical_dish(key_profile){
|
||||
// names, so I don't go crazy
|
||||
total_key_width = key_profile[0];
|
||||
total_key_height = key_profile[1];
|
||||
width_difference = key_profile[2];
|
||||
height_difference = key_profile[3];
|
||||
total_depth = key_profile[4];
|
||||
top_tilt = key_profile[5];
|
||||
top_skew = key_profile[6];
|
||||
dish_type = key_profile[7];
|
||||
dish_depth = key_profile[8];
|
||||
dish_skew_x = key_profile[9];
|
||||
dish_skew_y = key_profile[10];
|
||||
|
||||
//dependant variables
|
||||
key_width = total_key_width * key_length - width_difference;
|
||||
key_height = total_key_height - height_difference;
|
||||
|
||||
//same thing as the cylindrical dish here, but we need the corners to just touch - so we have to find the hypotenuse of the top
|
||||
chord = pow((pow(key_width,2) + pow(key_height, 2)),0.5); //getting diagonal of the top
|
||||
|
||||
// the distance you have to move the dish up so it digs in dish_depth millimeters
|
||||
chord_length = (pow(chord, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
//the radius of the dish
|
||||
rad = (pow(chord, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
module sideways_cylindrical_dish(key_profile){
|
||||
// names, so I don't go crazy
|
||||
total_key_width = key_profile[0];
|
||||
total_key_height = key_profile[1];
|
||||
width_difference = key_profile[2];
|
||||
height_difference = key_profile[3];
|
||||
total_depth = key_profile[4];
|
||||
top_tilt = key_profile[5];
|
||||
top_skew = key_profile[6];
|
||||
dish_type = key_profile[7];
|
||||
dish_depth = key_profile[8];
|
||||
dish_skew_x = key_profile[9];
|
||||
dish_skew_y = key_profile[10];
|
||||
|
||||
//dependant variables
|
||||
key_width = total_key_width * key_length - width_difference;
|
||||
key_height = total_key_height - height_difference;
|
||||
|
||||
|
||||
chord_length = (pow(key_height, 2) - 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
rad = (pow(key_height, 2) + 4 * pow(dish_depth, 2)) / (8 * dish_depth);
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -534,4 +589,58 @@ module key(key_profile){
|
|||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// ACTUAL OUTPUT
|
||||
key(key_profiles[key_profile]);
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// non-implemented ISO enter test stuff
|
||||
|
||||
// NOT 3D, NOT CENTERED
|
||||
module fakeISOEnter(){
|
||||
z = 0.001;
|
||||
radius = 2;
|
||||
unit = 18.16; // TODO probably not
|
||||
|
||||
pointArray = [
|
||||
[0 + radius,0 + radius],
|
||||
[unit*1.25 - radius, 0 + radius],
|
||||
[unit*1.25 - radius, unit*2 - radius],
|
||||
[unit*-.25 + radius, unit*2 - radius],
|
||||
[unit*-.25 + radius, unit*1 + radius],
|
||||
[0 + radius, unit*1 + radius]
|
||||
];
|
||||
|
||||
minkowski(){
|
||||
circle(r=radius, $fn=24);
|
||||
polygon(points=pointArray);
|
||||
}
|
||||
}
|
||||
|
||||
module ISOEnterShapeHull(key_profile, thickness, modifier){
|
||||
unit = 18.16; // TODO probably not
|
||||
|
||||
bottom_key_width = key_profile[0] ;
|
||||
bottom_key_height = key_profile[1];
|
||||
top_key_width_difference = key_profile[2];
|
||||
top_key_height_difference = key_profile[3];
|
||||
total_depth = key_profile[4] - thickness;
|
||||
top_tilt = key_profile[5];
|
||||
top_skew = key_profile[6];
|
||||
|
||||
top_width_scale_difference = (bottom_key_width - top_key_width_difference) / (bottom_key_width);
|
||||
top_height_scale_difference = (bottom_key_width - top_key_width_difference) / (bottom_key_width);
|
||||
|
||||
linear_extrude(height=total_depth*modifier, scale=[top_width_scale_difference, top_height_scale_difference]){
|
||||
translate([-unit*.5, -unit*1.5]) minkowski(){
|
||||
fakeISOEnter();
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue