34 lines
889 B
OpenSCAD
34 lines
889 B
OpenSCAD
|
include <AluTCommon.scad>
|
||
|
|
|
||
|
|
$fn = $preview ? 32 : 512;
|
||
|
|
mink_fn = $preview ? 12 : 128;
|
||
|
|
mink_fn_2d = $preview ? 32 : 256;
|
||
|
|
|
||
|
|
|
||
|
|
function tang_points(a0 = -160, a1 = -90, r = 13) =
|
||
|
|
concat(
|
||
|
|
[[r*cos(a1), r*sin(a0)]],
|
||
|
|
[for (a = [a0:a1]) [r*cos(a), r*sin(a)]]
|
||
|
|
);
|
||
|
|
|
||
|
|
module tang_block(a0 = -160, a1 = -90, r = 13)
|
||
|
|
translate(T_circumcenter)
|
||
|
|
polygon(tang_points(a0=a0, a1=a1, r=r));
|
||
|
|
|
||
|
|
module tang_outline(offset = -0.1, base_width = 1) {
|
||
|
|
difference() {
|
||
|
|
offset((base_width+offset)/2) tang_block();
|
||
|
|
offset(-(base_width+offset)/2) tang_block();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module tapered_tang_groove(depth, taper = 1, offset = 0.1, base_width = 1) {
|
||
|
|
difference() {
|
||
|
|
hull() {
|
||
|
|
linear_extrude(depth) offset((base_width+offset)/2) tang_block();
|
||
|
|
translate([0,0,depth]) linear_extrude(taper) offset(-(base_width)/2) tang_block();
|
||
|
|
}
|
||
|
|
linear_extrude(depth + taper) offset(-(base_width+offset)/2) tang_block();
|
||
|
|
}
|
||
|
|
}
|