live demo is here:live demo
and the code is here: GitHub - drgg62086/pixelplace_at_blockchain
you can change it as you like. 
And then, as I suggested earlier https://classic-agora.terra.money/t/re-proposal-speed-up-the-burning…
the remaining steps require a smart contract to generate NFT and auto allocate auction proceeds to multiple participants
if someone could write this contract , that would be done
Of course, I’d probably do it myself if no one else did, but it could take a long time because I don’t understand rust 