Simple 4-piece puzzle to introduce baby to foundational concepts in topology, convexity, symmetry, chirality, set theory, regular polygons, dimensiona...lity, geometry, Boolean operations, entropy, and other mathematical areas. Also works as a toy.
Pieces have beveled sides for extremely easy placement by babies and toddlers with imperfect motor skills.
At full scale, pieces are large enough to not pose a choking hazard.
Update 2/18/2018: Slightly increased size of triangle piece so that it won't fit into the circle or square slots. Also looks more proportionate with other pieces. Corresponding adjustments were also made to the base. Note that the photo is still of the old version.
3d model print parameters
Printer brand:
Prusa
Printer:
i3 MK2S
Rafts:
No
Supports:
No
Resolution:
any
Infill:
5%
Notes:
Consider printing the puzzle p...ieces in different colors from the base. Should work with pretty much any filament and print settings. It measures just over 15cm on a side, so you may have to scale it down by a few percent if you are constrained to a 15cm print bed. I recommend a relatively sparse infill so it doesn't consume crazy amounts of plastic.