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NopSCADlib
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Fixed tapered PCB spacers.

This commit is contained in:
Chris Palmer 2019-07-25 21:20:41 +01:00
parent be14a52c21
commit 49ee92db8e
1 changed files with 11 additions and 10 deletions
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19
vitamins/pcb.scad
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@ -750,14 +750,19 @@ module pcb(type) { //! Draw specified PCB
}
}
module pcb_spacer(screw, height, wall = 1.8) { //! Generate STL for PCB spacer
stl(str("pcb_spacer", round(screw_radius(screw) * 20), round(height * 10)));
module pcb_spacer(screw, height, wall = 1.8, taper = 0) { //! Generate STL for PCB spacer
stl(str("pcb_spacer", round(screw_radius(screw) * 20), round(height * 10), taper ? str("_", taper) : ""));
ir = screw_clearance_radius(screw);
or = corrected_radius(ir) + wall;
linear_extrude(height = height)
if(height > taper)
linear_extrude(height = height - taper)
poly_ring(or, ir);
if(taper)
linear_extrude(height = height)
poly_ring(ir + 2 * extrusion_width, ir);
}
module pcb_base(type, height, thickness, wall = 2) { //! Generate STL for a base with PCB spacers
@ -798,12 +803,8 @@ module pcb_assembly(type, height, thickness) { //! Draw PCB assembly with spaces
screw(screw, screw_length);
color(pp1_colour)
if(taper) {
h2 = max(0, height - 2);
if(h2)
pcb_spacer(screw, h2);
pcb_spacer(screw, height, 2 * extrusion_width); // Thin as can be at the top because there is no clearance around the holes.
}
if(taper)
pcb_spacer(screw, height, taper = 2);
else
pcb_spacer(screw, height);