Make your own version of the customizable helical mobius! https://www.thingiverse.com/thing:5189077
Hurrah! It's bridged the gap between the seven pieces, making it into one Mobius strip now.
https://diceroll.games/ e2e encrypted chat comes along for free once all of the other crypto bits are there, so I added an input box to let you tell the other player when you're waiting on their roll.
some cautions players were concerned that their enemies might be in collusion with the server, which would allow them to spoof messages of the honest players. so now all traffic is signed with ephemeral ecdsa keys. and chat is back. https://github.com/osresearch/diceroll-games/commit/359be6d6bbd88f4c2a8c10003f49d7025de783b6