D20 (20 sided dice) with additional braille numbers

A blind friend of mine likes to play pen and paper RPGs. He was searching for a D20 with braille numbers since ages. So I modeled and printed one. ;-)

Revision history

• Version 1.5:
  • celebrating, that this D20 got featured!
  • sum of opposite numbers is always 21, now
• Version 1.4:
  • rounded edges