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Added 2d ring

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This commit is contained in:
Elmom 2012-01-30 04:29:39 +02:00
parent 5eb4cf289a
commit 3faafdd93e
1 changed files with 21 additions and 14 deletions
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35
regular_shapes.scad
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@ -76,6 +76,13 @@ module dodecagon(radius)
reg_polygon(12,radius); reg_polygon(12,radius);
} }
module ring(inside_diameter, thickness){
difference(){
circle(r=(inside_diameter+thickness*2)/2);
circle(r=inside_diameter/2);
}
}
module ellipse(width, height) { module ellipse(width, height) {
scale([1, height/width, 1]) circle(r=width/2); scale([1, height/width, 1]) circle(r=width/2);
} }
@ -93,17 +100,17 @@ module egg_outline(width, length){
//3D regular shapes //3D regular shapes
module cone(height, radius, center = false) module cone(height, radius, center = false)
{ {
cylinder(height, radius, 0, center); cylinder(height, radius, 0, center);
} }
module oval_prism(height, rx, ry, center = false) module oval_prism(height, rx, ry, center = false)
{ {
scale([1, rx/ry, 1]) cylinder(h=height, r=ry, center=center); scale([1, rx/ry, 1]) cylinder(h=height, r=ry, center=center);
} }
module oval_tube(height, rx, ry, wall, center = false) module oval_tube(height, rx, ry, wall, center = false)
{ {
difference() { difference() {
scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center); scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center);
@ -111,7 +118,7 @@ module oval_tube(height, rx, ry, wall, center = false)
} }
} }
module cylinder_tube(height, radius, wall, center = false) module cylinder_tube(height, radius, wall, center = false)
{ {
tubify(radius,wall) tubify(radius,wall)
cylinder(h=height, r=radius, center=center); cylinder(h=height, r=radius, center=center);
@ -144,10 +151,10 @@ module pentagon_prism(height,radius)
module pentagon_tube(height,radius,wall) module pentagon_tube(height,radius,wall)
{ {
tubify(radius,wall) pentagon_prism(height,radius); tubify(radius,wall) pentagon_prism(height,radius);
} }
module hexagon_prism(height,radius) module hexagon_prism(height,radius)
{ {
linear_extrude(height=height) hexagon(radius); linear_extrude(height=height) hexagon(radius);
} }
@ -157,7 +164,7 @@ module hexagon_tube(height,radius,wall)
tubify(radius,wall) hexagon_prism(height,radius); tubify(radius,wall) hexagon_prism(height,radius);
} }
module heptagon_prism(height,radius) module heptagon_prism(height,radius)
{ {
linear_extrude(height=height) heptagon(radius); linear_extrude(height=height) heptagon(radius);
} }
@ -167,9 +174,9 @@ module heptagon_tube(height,radius,wall)
tubify(radius,wall) heptagon_prism(height,radius); tubify(radius,wall) heptagon_prism(height,radius);
} }
module octagon_prism(height,radius) module octagon_prism(height,radius)
{ {
linear_extrude(height=height) octagon(radius); linear_extrude(height=height) octagon(radius);
} }
module octagon_tube(height,radius,wall) module octagon_tube(height,radius,wall)
@ -179,28 +186,28 @@ module octagon_tube(height,radius,wall)
module nonagon_prism(height,radius) module nonagon_prism(height,radius)
{ {
linear_extrude(height=height) nonagon(radius); linear_extrude(height=height) nonagon(radius);
} }
module decagon_prism(height,radius) module decagon_prism(height,radius)
{ {
linear_extrude(height=height) decagon(radius); linear_extrude(height=height) decagon(radius);
} }
module hendecagon_prism(height,radius) module hendecagon_prism(height,radius)
{ {
linear_extrude(height=height) hendecagon(radius); linear_extrude(height=height) hendecagon(radius);
} }
module dodecagon_prism(height,radius) module dodecagon_prism(height,radius)
{ {
linear_extrude(height=height) dodecagon(radius); linear_extrude(height=height) dodecagon(radius);
} }
module torus(outerRadius, innerRadius) module torus(outerRadius, innerRadius)
{ {
r=(outerRadius-innerRadius)/2; r=(outerRadius-innerRadius)/2;
rotate_extrude() translate([innerRadius+r,0,0]) circle(r); rotate_extrude() translate([innerRadius+r,0,0]) circle(r);
} }
module torus2(r1, r2) module torus2(r1, r2)