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1911 thumb rest - hinge

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Sasza Stanczew 2026-01-01 13:10:54 +01:00
parent 3257ede6a4
commit 46d6353c0f
1 changed files with 22 additions and 4 deletions
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26
Sasza/bron/ft1911/thumb_rest.scad
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@ -6,14 +6,32 @@ t = 1.5;
frame_dist = 0.4; frame_dist = 0.4;
thumb_size = [12,14,t]; thumb_size = [12,14,t];
thumb_fwd = 20; thumb_fwd = 10;
thumb_up = 2; thumb_up = 2;
chain_hull() { chain_hull() {
cyl(d=8.5, h=2.22, anchor=TOP, $fn=36); cyl(d=8.5, h=2.22, anchor=TOP, $fn=36);
down(t - frame_dist) right(thumb_fwd) fwd(thumb_up) zrot(180+45) down(t - frame_dist) right(thumb_fwd) fwd(thumb_up) zrot(180+45)
cuboid([t,thumb_size[1],t], anchor=LEFT+BOTTOM, rounding=t/2); cuboid([t,thumb_size[1],t], anchor=LEFT+BOTTOM);
} }
right(thumb_fwd) fwd(thumb_up) zrot(180+45) down(t - frame_dist) yrot(-90) down(t) hinge_d = 2;
cuboid(thumb_size, anchor=LEFT+BOTTOM, rounding=t/2); hinge_num = 4;
hinge_h = 3;
down(t - frame_dist) right(thumb_fwd) fwd(thumb_up) zrot(180+45) xrot(-90) difference() {
down(thumb_size[1]/2) right(hinge_d/2) fwd(hinge_d/2 + t + 0.1) for(i=[0 : hinge_num]) {
up(i * thumb_size[1] / hinge_num)
if(i%2==0) {
back(0.25) cuboid([hinge_d,hinge_d+0.5,hinge_h], rounding=1, edges="Z");
} else {
left(0.25) cuboid([hinge_d+0.5,hinge_d,hinge_h], rounding=1, edges="Z");
}
}
up(0) right(hinge_d/2) fwd(hinge_d/2 + t + 0.1) cyl(d=1, h=thumb_size[1]*2, $fn=36);
}
right(thumb_fwd) fwd(thumb_up) zrot(180+45) down(t - frame_dist) yrot(-90) down(t)
up(hinge_d/2 + t/2)
cuboid(thumb_size, anchor=LEFT+BOTTOM, rounding=t/2, edges=["X","Z", RIGHT]);