I think scaffolding similar to Minecraft would benefit Eco in building larger structures before you have access to the crane. It would be made out of wood and behave similar to hewn logs / lumber, but with the following differences:
  • You can climb it vertically like a ladder
  • You can traverse lit horizontally easily (unlike a ladder)
  • You can remove multiple blocks of it easily (if the building system allow for this)
  • Removing it requires fewer calories than removing regular blocks
  • It would look like scaffolding, so buildings under construction would look more natural