Nothing special. Easy to print using PLA(+) filament with .10mm details. Brim is recommended.
Chess box: https://www.thingiverse.com/thing:5444265
Bishop.stl | 2.2MB | |
King.stl | 5.4MB | |
Knight.stl | 3.5MB | |
Pawn.stl | 2.0MB | |
Queen.stl | 4.4MB | |
Rook.stl | 4.6MB |