Tetrahedron Poster — Solar Medallion

4 vertices, 6 equal edges, 4 triangular faces; hidden edges dotted. Poster on 200 g satin paper, dark or ivory background, format of your choice: A4 (21 × 30 cm) or 30 × 40 cm. Solar Medallion style: the figure at the centre of a ring of 20 rays, its name written around the edge.