--- /dev/null
+eps = 0.01;
+infty = 100;
+
+body_w = 32; // outer parameter, incl. foam
+body_h = 32;
+foam_w = 3;
+
+screw_d1 = 19;
+screw_d2 = 16;
+screw_hole = 3.5;
+base_wall = 1.5;
+
+center_hole_d = 9;
+
+insert_h = 10;
+
+wall = 1;
+
+// base plate
+difference() {
+ translate([-body_w/2, -body_h/2, 0])
+ cube([body_w, body_h, base_wall]);
+ // center hole
+ translate([0, 0, -eps])
+ cylinder(r = center_hole_d/2, h = base_wall + 2*eps);
+ // screw_d2 screw holes
+ for (y = [-1, 1]) scale([1, y, 1])
+ translate([0, screw_d2/2, -eps]) {
+ cylinder(r = screw_hole/2, h = base_wall + 2*eps, $fn=6);
+ translate([0, 0, base_wall/2])
+ cylinder(r1 = screw_hole/2,
+ r2 = screw_hole/2 + base_wall/2,
+ h = base_wall/2 + 2*eps, $fn = 6);
+ }
+ // screw_d1 screw holes
+ for (x = [-1, 1]) scale([x, 1, 1])
+ translate([screw_d1/2, 0, -eps]) {
+ cylinder(r = screw_hole/2, h = base_wall + 2*eps, $fn=6);
+ translate([0, 0, base_wall/2])
+ cylinder(r1 = screw_hole/2,
+ r2 = screw_hole/2 + base_wall/2,
+ h = base_wall/2 + 2*eps, $fn = 6);
+ }
+ // cable hole
+ translate([-body_w/2+foam_w+wall, -body_h/2+foam_w+wall, -eps])
+ cube([8, 6, base_wall + 2*eps]);
+}
+
+motor_angle_right = 3;
+motor_angle_down = 3;
+
+base_angle = 10;
+angle_r = base_angle + motor_angle_right;
+angle_l = base_angle - motor_angle_right;
+angle_t = base_angle - motor_angle_down;
+angle_d = base_angle + motor_angle_down;
+
+// +x axis is to the right
+// +y axis is to the top
+module cone(l, r, t, d, h) {
+ intersection() {
+ // top
+ translate([0, t, 0])
+ rotate([-angle_t, 0, 0]) translate([-infty/2, -infty, -infty/2]) cube(infty);
+ // bottom
+ translate([0, -d, 0])
+ rotate([angle_d, 0, 0]) translate([-infty/2, 0, -infty/2]) cube(infty);
+ // right
+ translate([r, 0, 0])
+ rotate([0, angle_r, 0]) translate([-infty, -infty/2, -infty/2]) cube(infty);
+ // left
+ translate([-l, 0, 0])
+ rotate([0, -angle_l, 0]) translate([0, -infty/2, -infty/2]) cube(infty);
+ // front
+ translate([-infty/2, -infty/2, 0]) cube(infty);
+ // rear
+ translate([-infty/2, -infty/2, h-infty]) cube(infty);
+ }
+}
+
+difference() {
+ cone(body_w/2-foam_w,
+ body_w/2-foam_w,
+ body_h/2-foam_w,
+ body_h/2-foam_w,
+ insert_h);
+ translate([0, 0, -eps])
+ cone(body_w/2 - foam_w - wall/cos(angle_l),
+ body_w/2 - foam_w - wall/cos(angle_r),
+ body_h/2 - foam_w - wall/cos(angle_t),
+ body_h/2 - foam_w - wall/cos(angle_d),
+ insert_h + 2*eps);
+}
+
infty = 200;
tube_d = 8.0 + 0.5;
-tube_slot = 6;
+tube_slot = 6.5;
wall = 1.2;
-fuse_w = 45;
-fuse_h = 40;
-
-body_h = 15;
-side_w = 8;
+side_w = 7;
corner_d = 10;
thin_wall = 0.6;
-supp_xoff = 0.75 * side_w;
-supp_zoff = 0.75 * body_h;
+supp_xoff = 0.85 * side_w;
-module body() {
+module body(fuse_w, fuse_h, body_h) {
// base_plate
translate([-fuse_w/2, -fuse_h/2, 0])
cube([fuse_w, fuse_h, thin_wall]);
cube([fuse_w, thin_wall, body_h]);
// side wall supports
+ supp_zoff = body_h-thin_wall;
for (x = [-1, 1]) scale([x, 1, 1])
hull() {
translate([fuse_w/2-supp_xoff, -fuse_h/2, 0])
}
}
-difference() {
- body();
- // hole in base plate
- hull() {
- for (x = [-1, 1])
- for (y = [-1, 1])
- scale([x, y, 1])
- translate([-fuse_w/2+side_w+corner_d/2,
- -fuse_h/2+side_w+corner_d/2, -eps])
- cylinder(r = corner_d/2, h = thin_wall + 2*eps);
+module main(fuse_w, fuse_h, body_h) {
+ difference() {
+ body(fuse_w, fuse_h, body_h);
+ // hole in base plate
+ hull() {
+ for (x = [-1, 1])
+ for (y = [-1, 1])
+ scale([x, y, 1])
+ translate([-fuse_w/2+side_w+corner_d/2,
+ -fuse_h/2+side_w+corner_d/2, -eps])
+ cylinder(r = corner_d/2, h = thin_wall + 2*eps);
+ }
+ // fuse tube
+ translate([0, fuse_h/2-tube_d/2-wall, -eps])
+ cylinder(r = tube_d/2, h = body_h + 2*eps);
+ // fuse tube slot
+ translate([-tube_slot/2, 0, -eps])
+ cube([tube_slot, fuse_h/2-tube_d/2-wall, body_h +2*eps]);
}
- // fuse tube
- translate([0, fuse_h/2-tube_d/2-wall, -eps])
- cylinder(r = tube_d/2, h = body_h + 2*eps);
- // fuse tube slot
- translate([-tube_slot/2, 0, -eps])
- cube([tube_slot, fuse_h/2-tube_d/2-wall, body_h +2*eps]);
}
+main(42, 37, 12);
+
+translate([45, 0, 0]) main(30, 25, 8);