Cpi PI hypot3 norm([x,y,z]) distance norm(p2-p1) cdr slice(list, 1, -1) wrap_range select() vector2d_angle vector_angle() vector3d_angle vector_angle() rotate_points3d_around_axis rotate_points3d(pts, v=ang, axis=u, cp=cp) cube2pt cuboid(p1, p2) span_cube cuboid(p1, p2) offsetcube cuboid(..., align) chamfcube cuboid(..., chamfer, edges, trimcorners) rrect cuboid(..., fillet, edges) rcube cuboid(..., fillet) trapezoid prismoid() pyramid cyl(..., r2=0, $fn=N) prism cyl(..., $fn=N) chamferred_cylinder cyl(..., chamfer) chamf_cyl cyl(..., chamfer) filleted_cylinder cyl(..., fillet) rcylinder cyl(..., fillet) thinning_brace thinning_triangle(..., diagonly=true) translate_copies place_copies() line_of spread(p1, p2) grid_of grid3d()