There are apps like uMake that rather easily turn 2D sketching into useful 3D models for prototyping, but the new app Mental Canvas takes a different approach. It fuses the illustrator’s need for ...
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This unbeatable 3D-printed tic-tac-toe computer uses zero electronics to ensure you never win
3D-printed mechanical Tic-Tac-Toe (XXO-Master) never loses; forces a draw or your defeat, no electronics. Uses edge-notched cards and rods as mechanical memory; matches the board and slides a card to ...
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