Heads or Tails Spinner – Mechanical Coin Flip Toy

A simple mechanical spinner designed to decide between heads or tails with a satisfying spin instead of a coin toss. Built from 4 parts, it’s easy to assemble and fun to use. No more losing your coin in the grass or under furniture — just spin and get your result instantly. The internal mechanism ensures smooth motion and balanced, fair outcomes. Perfect for games, quick decisions, or as a fun mechanical desk gadget.

Print Details

• No supports
• No adhesion
• ≤ 0.2 mm layer height
• 2 walls

Instructions

 

 

Boost MeThis was my first ever mechanical model, and it took a lot of failed prints to get this just right. Boosting this model would help me make more models like this!