WE MAKE A GOOD COMPOUND: CUBE+OCTAHEDRON Greeting Card

Platonic solids CUBE + OCTAHEDRON = CUBE-OCTAHERON cute compound. These Platonic solids are duals.
Inside reads: "We make a good compound."
Includes envelope.

• Size: 4″ × 6″ (101 × 152 mm)
• Toner-based printing