My 2-year daughter loves to play with Play-Doh so much I designed a bunch of numbers to go along with the other shapes.
Related: Play-Doh/Montessori Shapes/Cookie Cutters
https://www.thingiverse.com/thing:2768003(#ad)
04/26/18 – Update: Added a Revised #1 – One-V2.stl
04/26/18 – Update: Added a Revised #1 – One-V3.stl
Thingiverse: https://www.thingiverse.com/thing:2771369