Support ring org.inkscape.Origami_patterns.support_ring 6 10.0 false true 3.0 3.0 1.0 1.0 true 0.5 Polygonal Circular Length must be at least the thickness of the origami material + the thickness of the belt. For an OpenSCAD simple implementation of the belt, see Origami_Patterns/Support_Ring_Belt. mm cm in pt px false 1 0.5 0.1 4278190335 all