Click the map to continue building. Left click places a voxel where the ghost outline is, right click removes the voxel under the crosshair, middle click picks its colour; mouse wheel or keys 1–0 change colour, Shift+wheel steps through lighter and darker shades of the current colour, Ctrl+Z undoes. Press E (or Esc) to come back here. Your work is kept in this browser per tile until you reset it. To put it on chain, copy the code, open the tile manager, select this tile and paste the code into its name field — only the tile's owner can submit it.