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NopSCADlib
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Rendering changes to match pulleys.

This commit is contained in:
Martin Budden 2021-01-09 18:15:19 +00:00
parent 9f7efd50fb
commit b74cbee151
1 changed files with 5 additions and 4 deletions
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9
printed/printed_pulleys.scad
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@ -91,6 +91,7 @@ module printed_pulley(type) { //! Draw a printable pulley
w = pulley_width(type); w = pulley_width(type);
r1 = pulley_bore(type) / 2; r1 = pulley_bore(type) / 2;
or = pulley_od(type) / 2; or = pulley_od(type) / 2;
screw_z = pulley_screw_z(type);
module core() { module core() {
translate_z(pulley_hub_length(type) + ft) translate_z(pulley_hub_length(type) + ft)
@ -110,7 +111,7 @@ module printed_pulley(type) { //! Draw a printable pulley
module screw_holes() { module screw_holes() {
if (pulley_screws(type)) if (pulley_screws(type))
translate_z(pulley_screw_z(type)) translate_z(screw_z)
for(i = [0 : pulley_screws(type) - 1]) for(i = [0 : pulley_screws(type) - 1])
rotate([-90, 180, i * -90]) rotate([-90, 180, i * -90])
teardrop(r = screw_pilot_hole(pulley_screw(type)), h = pulley_flange_dia(type)/2 + 1, center=false); teardrop(r = screw_pilot_hole(pulley_screw(type)), h = pulley_flange_dia(type)/2 + 1, center=false);
@ -119,14 +120,14 @@ module printed_pulley(type) { //! Draw a printable pulley
// hub // hub
if (hl) if (hl)
translate_z(pulley_hub_dia(type) >= pulley_flange_dia(type) ? 0 : hl + w + 2 * ft) translate_z(pulley_hub_dia(type) >= pulley_flange_dia(type) ? 0 : hl + w + 2 * ft)
render_if(pulley_screw_z(type) < hl) render_if(screw_z && screw_z < hl)
difference() { difference() {
linear_extrude(hl) linear_extrude(hl)
difference() { difference() {
circle(r = pulley_hub_dia(type) / 2); circle(r = pulley_hub_dia(type) / 2);
circle(r = pulley_bore(type) / 2); circle(r = pulley_bore(type) / 2);
} }
if (pulley_screw_z(type) < hl) if (screw_z < hl)
screw_holes(); screw_holes();
} }
// bottom flange // bottom flange
@ -153,7 +154,7 @@ module printed_pulley(type) { //! Draw a printable pulley
} }
difference() { // T5 pulleys have screws through the teeth difference() { // T5 pulleys have screws through the teeth
render_if(pulley_type(type)[0]=="T") render_if(screw_z && screw_z > hl)
core(); core();
if (pulley_screw_z(type) > hl) if (pulley_screw_z(type) > hl)
translate_z(pulley_hub_dia(type) >= pulley_flange_dia(type) ? 0 : hl) translate_z(pulley_hub_dia(type) >= pulley_flange_dia(type) ? 0 : hl)