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Typed out some polygonal tubes

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This commit is contained in:
Elmom 2011-09-06 12:44:52 +03:00
parent 85cc1c54d8
commit b2b431a92b
1 changed files with 16 additions and 1 deletions
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17
regular_shapes.scad
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@ -29,7 +29,7 @@ module triangle(radius)
module reg_polygon(sides,radius)
{
function dia(r) = sqrt(pow(r*2,2)/2); //sqrt(r*2^2/2) if only we had an exponention op
function dia(r) = sqrt(pow(r*2,2)/2); //sqrt((r*2^2)/2) if only we had an exponention op
if(sides<2) square([radius,0]);
if(sides==3) triangle(radius);
if(sides==4) square([dia(radius),dia(radius)],center=true);
@ -151,16 +151,31 @@ module hexagon_prism(height,radius)
linear_extrude(height=height) hexagon(radius);
}
module hexagon_tube(height,radius,wall)
{
tubify(radius,wall) hexagon_prism(height,radius);
}
module heptagon_prism(height,radius)
{
linear_extrude(height=height) heptagon(radius);
}
module heptagon_tube(height,radius,wall)
{
tubify(radius,wall) heptagon_prism(height,radius);
}
module octagon_prism(height,radius)
{
linear_extrude(height=height) octagon(radius);
}
module octagon_tube(height,radius,wall)
{
tubify(radius,wall) octagon_prism(height,radius);
}
module nonagon_prism(height,radius)
{
linear_extrude(height=height) nonagon(radius);