Each piece consists of 2 parts, which have to be glued together with superglue.
In addition to the 2-dimensional snowflake, a tetrahedron with edge length 4 can be assembled with 5 pieces and a tetrahedron with edge length 5 (with a hole in the middle) with 9 pieces.
solution video
3D Printing Tips
I printed the puzzle with the following settings:
Material: PLA
Resolution: 0.2mm
Infill: 20%
support for some puzzle tiles
no raft, no brim
Further polyform puzzles and background
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The author marked this model as their own original creation.