grey/BOSL2
1
0
Fork 0
mirror of https://github.com/BelfrySCAD/BOSL2.git synced 2025-01-01 09:49:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added center argument to thinning_triangle

Browse source
This commit is contained in:
Revar Desmera 2018-11-21 12:56:35 -08:00
parent b559e7ebde
commit f1fc493120
1 changed files with 23 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
shapes.scad
View file

@ -751,31 +751,34 @@ module braced_thinning_wall(h=50, l=100, thick=5, ang=30, strut=5, wall=2)
// 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.
// center = if true (default) centers triangle at the origin.
// Example:
// thinning_triangle(h=50, l=100, thick=4, ang=30, strut=5, wall=2, diagonly=true);
module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly=false)
module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly=false, center=true)
{
dang = atan(h/l);
dlen = h/sin(dang);
difference() {
union() {
if (!diagonly) {
translate([0, 0, -h/2])
narrowing_strut(w=thick, l=l, wall=strut, ang=ang);
translate([0, -l/2, 0])
xrot(-90) narrowing_strut(w=thick, l=h-0.1, wall=strut, ang=ang);
}
intersection() {
cube(size=[thick, l, h], center=true);
xrot(-dang) yrot(180) {
narrowing_strut(w=thick, l=dlen*1.2, wall=strut, ang=ang);
translate(center? [0, 0, 0] : [0, l/2, h/2]) {
difference() {
union() {
if (!diagonly) {
translate([0, 0, -h/2])
narrowing_strut(w=thick, l=l, wall=strut, ang=ang);
translate([0, -l/2, 0])
xrot(-90) narrowing_strut(w=thick, l=h-0.1, wall=strut, ang=ang);
}
intersection() {
cube(size=[thick, l, h], center=true);
xrot(-dang) yrot(180) {
narrowing_strut(w=thick, l=dlen*1.2, wall=strut, ang=ang);
}
}
cube(size=[wall, l-0.1, h-0.1], center=true);
}
cube(size=[wall, l-0.1, h-0.1], center=true);
}
xrot(-dang) {
translate([0, 0, h/2]) {
cube(size=[thick+0.1, l*2, h], center=true);
xrot(-dang) {
translate([0, 0, h/2]) {
cube(size=[thick+0.1, l*2, h], center=true);
}
}
}
}
@ -793,9 +796,9 @@ module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly
// wall = the thickness of the thinned portion of the wall.
// Example:
// thinning_brace(h=50, l=100, thick=4, ang=30, strut=5, wall=2);
module thinning_brace(h=50, l=100, thick=5, ang=30, strut=5, wall=3)
module thinning_brace(h=50, l=100, thick=5, ang=30, strut=5, wall=3, center=true)
{
thinning_triangle(h=h, l=l, thick=thick, ang=ang, strut=strut, wall=wall, diagonly=true);
thinning_triangle(h=h, l=l, thick=thick, ang=ang, strut=strut, wall=wall, diagonly=true, center=center);
}