Rollable Chessboard (TPU) with sleeves / caps and guide rails for ultracompact chess set

I printed the round version of the  Ultracompact set CastleChess from @Kagarov for a friend and wanted to have a compact and robust board for it that is in one piece, which he can take hiking up mountains and play in any weather.

Kudos to @Kagarov for making such a great design of the compact chess pieces! 

Board:

TPU is the material of choice and I designed a board that has the chess pattern on both sides, so you need to swap the filament in between (of have a fancy printer). 

It has four layers of 0.2mm and you want to start and end with black (or your preferred dark colour) while the inner two layers and the rest of the fields are the light colour. Otherwise the light colour is not very bright. I included a 3mf file saved from Orcaslicer, but not sure if that works for you. You might have to look which parts needs to be which colour. Best select all as black (being your first filament) and then separate into parts and look for the two pieces that are white (all the white fields are connected to the white middle layers, while the black fields are ‘loose’). For me in OrcaSlicer the white ones were part 1 and 59. 

I had some stringing and cleaned it up a bit when changing the filament. 

Caps/sleeves

The caps/sleeves are printed in TPU using vase mode. With a 0.4 nozzle, I set the layer height to max (0.28mm) and set the wall thickness to 0.8mm. Three bottom layers are sufficient. This makes a thin sleeve in which the rolled up chess pieces with board fit well. 

Guard Rails

When unrolling the board, I realized that it curls due to the rolling, which the ultra light chess pieces do not like much. To fix that issue, I also made some thin guard rails that can be slid on the curled ends and help keep the board flat. Do print them in PETG! Definitely not in TPU, and probably not in PLA, as they are flimsy and might break easily (but maybe they are alright in PLA). 

While uploading I also found this similar model to be used with a paper board:

https://www.printables.com/model/28801-ultracompact-set-chesscylinder

Those pieces are for the same sized board, so I assume my chess board with sleeves will fit with the pieces as well, but I had not tried. (Maybe the sleeve size has to be adjusted to fit a different thickness)

My TPU chess board should perform better than a paper board, especially on rough terrain or if you want to play in pouring rain or under water! (I have not tried that yet.)