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Wormhole Chess Board

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Wormhole Chess Board  3d model
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Wormhole Chess Board  3d model
Wormhole Chess Board  3d model
Wormhole Chess Board  3d model
This model is restricted by licensing terms. 
242 Likes1.3K DownloadsJuly 4, 2022
This model is restricted by licensing terms. 


This “Wormhole Chess Board” is composed of two back-to-back regular sized chess boards connected by a catenoid surface through the central 4 x 4 grid of squares on each board.

See here for video: https://youtu.be/ohfqQ_8oEoY

Actual game play on this board is beyond challenging so unless you’re a genius, this board is more of an art or conversation piece.

Part of what makes game play so challenging is the presence of the eight pentagons that are required to transition between the flat and curved surfaces.

Here are a few suggestions if you want to try playing.

Moving a piece through a pentagon allows for additional movement options. When entering from a column or row on the flat surface (such as with a rook) there are two exit options, one that allows the piece to remain on the flat surface and another that allows the piece to enter the wormhole. The reverse is true when entering a pentagon from the wormhole. When entering a pentagon from a diagonal (such as with a bishop) there are two options for exiting the pentagon, both of which allow the piece to remain on its own colour.

Because this piece is essentially two chess boards, there are four possible ends from which to start your pieces.

For a two-player game, each player could use a single set or pieces each and leave two ends empty. Alternatively, each player could have two sets of pieces facing each other across the flat surface as well as through the catenoid surface. This means that there would be two kings, which would complicate the end game somewhat!

Another option would be to play as a four-player game with each set of pieces a different colour.

If anyone comes up with a comprehensive set of rules for incorporating the pentagons into game play, please share them!

Here are printing and assembly instructions:

For the board, print two of each of the “Flat Board Half” and “Wormhole Half” files. No supports needed. Glue together carefully.

For the squares, you will need a total of 4 “Quadrant of Squares” for each colour. Note that there are small reference dimples on the bottom of the curved pieces. When properly positioned, the dimples will point towards the pentagonal piece.

Two standard sets of playing pieces are included, each with holes for 1/8” by 1/8” magnets. The larger size looks better, but pieces may collide when passing through the wormhole. Pieces in the smaller set won’t collide while passing through the wormhole.

You will need a total of 208 1/8” cylindrical magnets, one for each board piece and each playing piece (assuming you’re using two full sets of playing pieces). This model uses 1/8” length magnets, but 1/16” length would probably work fine.

Insert the magnets into the square tiles before gluing them on to the frame. Make sure you get the polarity right so that all the pieces stick to all the squares! The magnets used in the design and assembly of this model were purchased through www.kjmagnetics.com.

Once you’ve inserted the magnets and determined the correct orientation of each piece, go ahead and glue them in place. CA glue works well.


242 Likes1.3K DownloadsJuly 4, 2022





This model is restricted by licensing terms. 
242 Likes1.3K DownloadsJuly 4, 2022
This model is restricted by licensing terms.