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Reworked orientation to use vectors. Added spin.

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Revar Desmera
2019-05-25 23:31:05 -07:00
parent d236fbf640
commit 16919f39c3
25 changed files with 978 additions and 768 deletions
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65
walls.scad
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@@ -28,16 +28,17 @@
// l = Length of the strut.
// wall = height of rectangular portion of the strut.
// ang = angle that the trianglar side will converge at.
// orient = Orientation of the length axis of the shape. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Y`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `FRONT`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example:
// narrowing_strut(w=10, l=100, wall=5, ang=30);
module narrowing_strut(w=10, l=100, wall=5, ang=30, orient=ORIENT_Y, anchor=BOTTOM)
module narrowing_strut(w=10, l=100, wall=5, ang=30, anchor=BOTTOM, spin=0, orient=UP)
{
h = wall + w/2/tan(ang);
size = [w, h, l];
orient_and_anchor(size, orient, anchor, chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, chain=true) {
fwd(h/2) {
linear_extrude(height=l, center=true, slices=2) {
back(wall/2) square([w, wall], center=true);
@@ -72,14 +73,15 @@ module narrowing_strut(w=10, l=100, wall=5, ang=30, orient=ORIENT_Y, anchor=BOTT
// ang = maximum overhang angle of diagonal brace.
// strut = the width of the diagonal brace.
// wall = the thickness of the thinned portion of the wall.
// orient = Orientation of the length axis of the wall. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_X`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `CENTER`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example: Typical Shape
// thinning_wall(h=50, l=80, thick=4);
// Example: Trapezoidal
// thinning_wall(h=50, l=[80,50], thick=4);
module thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, orient=ORIENT_Z, anchor=CENTER)
module thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, anchor=CENTER, spin=0, orient=UP)
{
l1 = (l[0] == undef)? l : l[0];
l2 = (l[1] == undef)? l : l[1];
@@ -103,7 +105,7 @@ module thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, orient=ORIEN
y2 = y1 - min(z2-z3, x2-x3) * sin(ang);
size = [l1, thick, h];
orient_and_anchor(size, orient, anchor, size2=[l2,thick], chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, size2=[l2,thick], chain=true) {
polyhedron(
points=[
[-x4, -y1, -z1],
@@ -216,17 +218,18 @@ module thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, orient=ORIEN
// ang = maximum overhang angle of diagonal brace.
// strut = the width of the diagonal brace.
// wall = the thickness of the thinned portion of the wall.
// orient = Orientation of the length axis of the wall. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Y`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `CENTER`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example: Typical Shape
// Example:
// braced_thinning_wall(h=50, l=100, thick=5);
module braced_thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, orient=ORIENT_Y, anchor=CENTER)
module braced_thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, anchor=CENTER, spin=0, orient=UP)
{
dang = atan((h-2*strut)/(l-2*strut));
dlen = (h-2*strut)/sin(dang);
size = [l, thick, h];
orient_and_anchor(size, orient, anchor, orig_orient=ORIENT_Y, chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, chain=true) {
union() {
xrot_copies([0, 180]) {
down(h/2) narrowing_strut(w=thick, l=l, wall=strut, ang=ang);
@@ -268,9 +271,10 @@ module braced_thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, orien
// strut = the width of the diagonal brace.
// wall = the thickness of the thinned portion of the wall.
// diagonly = boolean, which denotes only the diagonal side (hypotenuse) should be thick.
// orient = Orientation of the length axis of the shape. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Y`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `CENTER`.
// center = If true, centers shape. If false, overrides `anchor` with `UP+BACK`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example: Centered
// thinning_triangle(h=50, l=80, thick=4, ang=30, strut=5, wall=2, center=true);
@@ -278,12 +282,12 @@ module braced_thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2, orien
// thinning_triangle(h=50, l=80, thick=4, ang=30, strut=5, wall=2, center=false);
// Example: Diagonal Brace Only
// thinning_triangle(h=50, l=80, thick=4, ang=30, strut=5, wall=2, diagonly=true, center=false);
module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly=false, center=undef, orient=ORIENT_Y, anchor=CENTER)
module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly=false, center=undef, anchor=CENTER, spin=0, orient=UP)
{
dang = atan(h/l);
dlen = h/sin(dang);
size = [thick, h, l];
orient_and_anchor(size, orient, anchor, center=center, noncentered=BOTTOM+FRONT, orig_orient=ORIENT_Y, chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, center=center, noncentered=BOTTOM+FRONT, chain=true) {
difference() {
union() {
if (!diagonly) {
@@ -327,8 +331,9 @@ module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly
// maxang = maximum overhang angle of cross-braces.
// max_bridge = maximum bridging distance between cross-braces.
// strut = the width of the cross-braces.
// orient = Orientation of the length axis of the shape. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Y`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `CENTER`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example: Typical Shape
// sparse_strut(h=40, l=100, thick=3);
@@ -338,7 +343,7 @@ module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly
// sparse_strut(h=40, l=100, thick=3, strut=2, maxang=45);
// Example: Longer max_bridge
// sparse_strut(h=40, l=100, thick=3, strut=2, maxang=45, max_bridge=30);
module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, orient=ORIENT_Y, anchor=CENTER)
module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, anchor=CENTER, spin=0, orient=UP)
{
zoff = h/2 - strut/2;
yoff = l/2 - strut/2;
@@ -359,7 +364,7 @@ module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, ori
len = zstep / cos(ang);
size = [thick, l, h];
orient_and_anchor(size, orient, anchor, orig_orient=ORIENT_Y, chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, chain=true) {
yrot(90)
linear_extrude(height=thick, convexity=4*yreps, center=true) {
difference() {
@@ -395,8 +400,9 @@ module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, ori
// maxang = maximum overhang angle of cross-braces.
// max_bridge = maximum bridging distance between cross-braces.
// strut = the width of the cross-braces.
// orient = Orientation of the length axis of the shape. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Y`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `CENTER`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example(Med): Typical Shape
// sparse_strut3d(h=30, w=30, l=100);
@@ -406,7 +412,7 @@ module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, ori
// sparse_strut3d(h=30, w=30, l=100, strut=2, maxang=50);
// Example(Med): Smaller max_bridge
// sparse_strut3d(h=30, w=30, l=100, strut=2, maxang=50, max_bridge=20);
module sparse_strut3d(h=50, l=100, w=50, thick=3, maxang=40, strut=3, max_bridge=30, orient=ORIENT_Y, anchor=CENTER)
module sparse_strut3d(h=50, l=100, w=50, thick=3, maxang=40, strut=3, max_bridge=30, anchor=CENTER, spin=0, orient=UP)
{
xoff = w - thick;
@@ -429,7 +435,7 @@ module sparse_strut3d(h=50, l=100, w=50, thick=3, maxang=40, strut=3, max_bridge
supp_step = cross_len/2/supp_reps;
size = [w, l, h];
orient_and_anchor(size, orient, anchor, orig_orient=ORIENT_Y, chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, chain=true) {
intersection() {
union() {
ybridge = (l - (yreps+1) * strut) / yreps;
@@ -491,8 +497,9 @@ module sparse_strut3d(h=50, l=100, w=50, thick=3, maxang=40, strut=3, max_bridge
// thick = thickness of strut wall.
// strut = the width of the cross-braces.
// wall = thickness of corrugations.
// orient = Orientation of the length axis of the shape. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Y`.
// anchor = Alignment of the shape. Use the constants from `constants.scad`. Default: `CENTER`.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments#orient). Default: `UP`
//
// Example: Typical Shape
// corrugated_wall(h=50, l=100);
@@ -500,7 +507,7 @@ module sparse_strut3d(h=50, l=100, w=50, thick=3, maxang=40, strut=3, max_bridge
// corrugated_wall(h=50, l=100, strut=8);
// Example: Thicker Wall
// corrugated_wall(h=50, l=100, strut=8, wall=3);
module corrugated_wall(h=50, l=100, thick=5, strut=5, wall=2, orient=ORIENT_Y, anchor=CENTER)
module corrugated_wall(h=50, l=100, thick=5, strut=5, wall=2, anchor=CENTER, spin=0, orient=UP)
{
amplitude = (thick - wall) / 2;
period = min(15, thick * 2);
@@ -508,7 +515,7 @@ module corrugated_wall(h=50, l=100, thick=5, strut=5, wall=2, orient=ORIENT_Y, a
step = period/steps;
il = l - 2*strut + 2*step;
size = [thick, l, h];
orient_and_anchor(size, orient, anchor, orig_orient=ORIENT_Y, chain=true) {
orient_and_anchor(size, orient, anchor, spin=spin, chain=true) {
union() {
linear_extrude(height=h-2*strut+0.1, slices=2, convexity=ceil(2*il/period), center=true) {
polygon(