Here is a Chess Set for clumsy gamers.
JUST ADDED a pocket size profile!!!! The only difference in the print is the bottom piece. The full size version has just a hole for a finger to release the board. The Pocket size version has a small lever that needs to be pushed to down position, to raise the board over the ledge so it can slide out. There are still 96 magnets holes which all fit one 2mmx4mm magnet each. I highly recommend the magnets for the small version. Its hard to play a game without them.
I have all the pauses required and all the holes for the magnets all set in the right places. The holes are meant to each hold one 2x4mm circle magnet with a little tolerance to achieve the satisfying click of a piece being moved on the board.
Be sure you have enough magnets. Its 64 squares, and 32 pieces. That totals 96 magnets required.
Also be sure to have a strategy for ensuring the correct polarity of the magnets. The bottom of the pieces should attract to the top of the board. Obviously.
Luckily the magnets attraction to the build plate is stronger that their attraction to the nozzle. So you don't have to worry about magnets coming out of there holes as the nozzle passes over.
The Supports on the bottom container need to be removed carefully and with some patience. However you don't need the Bottom Box to have a game of chess.
You also don't need to add magnets. Its just that I'm clumsy.