Knights and Pawns for Action Chess
thingiverse
I printed Action Chess files and ensured a maximum infill of 50%, but found that Knights were fragile near their "ball joint" area. When inserting pawns, they would break. The Lego-style joint on pawns was too loose; legs/arms would detach. I increased .1mm diameter on round parts at pawn bottoms and .05mm height for flat-based pawns, unsure if necessary for ChessBot v3 or only ChessBot Prime. After tweaking the model with SketchUp, I used Netfabb to fix any oversights.
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