Simple Holiday Ornaments

Here are four small, easy to print ornaments. They can be printed without support and require little material. The ornaments are made from epicycloids with one to four cusps. See the epicycloid examples at Wikipedia labeled k = 1, 2, 3 or 4. - https://en.wikipedia.org/wiki/Epicycloid - Ornament 1 is made from 6 copies of an epicycloid with a single cusp. Ornaments 2 through 4 all contain 4 pieces of ornament 1. Ornament 2 contains two epicycloids with 2 cusps, ornament 3 contains two epicycloids with 3 cusps, and ornament 4 contains two epicycloids with 4 cusps. The openSCAD code contains additional comments.