include<../std.scad> include<../polyhedra.scad> if (true) { $fn=96; // Display of all solids with insphere, midsphere and circumsphere for(i=[0:len(_polyhedra_)-1]) { move_copies([[3*i,0,0]]) // Plain polyhedron regular_polyhedron(index=i, mr=1,facedown=true); move_copies([[3*i,3.5,0]]){ // Inner radius means sphere touches faces of the polyhedron sphere(r=1.005); // Sphere is slightly oversized so you can see it poking out from each face %regular_polyhedron(index=i, ir=1,facedown=true); } move_copies([[3*i,7,0]]){ // Mid radius means the sphere touches the center of each edge sphere(r=1); %regular_polyhedron(index=i, mr=1,facedown=true); } move_copies([[3*i,11,0]]){ // outer radius means points of the polyhedron are on the sphere %sphere(r=.99); // Slightly undersized sphere means the points poke out a bit regular_polyhedron(index=i, or=1,facedown=true); } } } /////////////////////////////////////////////////////////////////////////////////////////////////// // // Examples start here: not part of library /* // Test that rounded shapes are the same size as unrounded shape = "dodecahedron"; //shape = "cube"; top_half(cp=[0,0,.2]) difference(){ regular_polyhedron(shape); regular_polyhedron(shape, rounding=0.2,side=1.0000); } */