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Added option to chamfer only one end of a teardrop.

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Martin Budden 2020-12-26 19:46:23 +00:00
parent f97070099e
commit 1a2e04367d
1 changed files with 12 additions and 12 deletions
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24
utils/core/teardrops.scad
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@ -24,7 +24,7 @@
//! Using teardrop_plus() or setting the plus option on other modules will elongate the teardrop vertically by the layer height, so when sliced the staircase tips
//! do not intrude into the circle. See <https://hydraraptor.blogspot.com/2020/07/horiholes-2.html>
//
module teardrop(h, r, center = true, truncate = true, chamfer = 0, plus = false) { //! For making horizontal holes that don't need support material, set `truncate = false` to make traditional RepRap teardrops that don't even need bridging
module teardrop(h, r, center = true, truncate = true, chamfer = 0, chamfer_both_ends = true, plus = false) { //! For making horizontal holes that don't need support material, set `truncate = false` to make traditional RepRap teardrops that don't even need bridging
module teardrop_2d(r, truncate) {
er = layer_height / 2 - eps; // Extrustion edge radius
R = plus ? r + er : r; // Corrected radius
@ -52,7 +52,7 @@ module teardrop(h, r, center = true, truncate = true, chamfer = 0, plus = false)
extrude_if(h, center)
teardrop_2d(r, truncate);
teardrop_chamfer(h, center, chamfer) {
teardrop_chamfer(h, center, chamfer, chamfer_both_ends) {
linear_extrude(eps, center = true)
teardrop_2d(r + chamfer / 2, truncate);
@ -62,7 +62,7 @@ module teardrop(h, r, center = true, truncate = true, chamfer = 0, plus = false)
}
}
module semi_teardrop(h, r, d = undef, center = true, chamfer = 0, plus = false) { //! A semi teardrop in the positive Y domain
module semi_teardrop(h, r, d = undef, center = true, chamfer = 0, chamfer_both_ends = true, plus = false) { //! A semi teardrop in the positive Y domain
module semi_teardrop_2d(r, d)
intersection() {
R = is_undef(d) ? r : d / 2;
@ -77,7 +77,7 @@ module semi_teardrop(h, r, d = undef, center = true, chamfer = 0, plus = false)
extrude_if(h, center)
semi_teardrop_2d(r, d);
teardrop_chamfer(h, center, chamfer) {
teardrop_chamfer(h, center, chamfer, chamfer_both_ends) {
linear_extrude(eps, center = true)
semi_teardrop_2d(r + chamfer / 2, d);
@ -87,10 +87,10 @@ module semi_teardrop(h, r, d = undef, center = true, chamfer = 0, plus = false)
}
}
module teardrop_plus(h, r, center = true, truncate = true, chamfer = 0) //! Slightly elongated teardrop to allow for the 3D printing staircase effect
teardrop(h, r, center, truncate, chamfer, plus = true);
module teardrop_plus(h, r, center = true, truncate = true, chamfer = 0, chamfer_both_ends = true) //! Slightly elongated teardrop to allow for the 3D printing staircase effect
teardrop(h, r, center, truncate, chamfer, chamfer_both_ends, plus = true);
module tearslot(h, r, w, center = true, chamfer = 0, plus = false) { //! A horizontal slot that doesn't need support material
module tearslot(h, r, w, center = true, chamfer = 0, chamfer_both_ends = true, plus = false) { //! A horizontal slot that doesn't need support material
module tearslot_2d(r, w)
hull()
for(x = [-1, 1])
@ -99,7 +99,7 @@ module tearslot(h, r, w, center = true, chamfer = 0, plus = false) { //! A horiz
extrude_if(h, center)
tearslot_2d(r, w);
teardrop_chamfer(h, center, chamfer) {
teardrop_chamfer(h, center, chamfer, chamfer_both_ends) {
linear_extrude(eps, center = true)
tearslot_2d(r + chamfer / 2, w);
@ -109,7 +109,7 @@ module tearslot(h, r, w, center = true, chamfer = 0, plus = false) { //! A horiz
}
}
module vertical_tearslot(h, r, l, center = true, chamfer = 0, plus = false) { //! A vertical slot that doesn't need support material
module vertical_tearslot(h, r, l, center = true, chamfer = 0, chamfer_both_ends = true, plus = false) { //! A vertical slot that doesn't need support material
module vertical_tearslot_2d(r, l)
hull()
for(y = [-1, 1])
@ -119,7 +119,7 @@ module vertical_tearslot(h, r, l, center = true, chamfer = 0, plus = false) { //
extrude_if(h, center)
vertical_tearslot_2d(r, l);
teardrop_chamfer(h, center, chamfer) {
teardrop_chamfer(h, center, chamfer, chamfer_both_ends) {
linear_extrude(eps, center = true)
vertical_tearslot_2d(r + chamfer / 2, l);
@ -129,10 +129,10 @@ module vertical_tearslot(h, r, l, center = true, chamfer = 0, plus = false) { //
}
}
module teardrop_chamfer(h, center, chamfer) { //! Helper module for adding chamfer to a teardrop
module teardrop_chamfer(h, center, chamfer, chamfer_both_ends) { //! Helper module for adding chamfer to a teardrop
if(h && chamfer)
translate_z(center ? 0 : h / 2)
for(m = [0, 1])
for(m = chamfer_both_ends ? [0, 1] : [1])
mirror([0, 0, m])
translate_z((h - eps ) / 2)
hull()