The Stonemason is a worker who crafts stone bricks, slabs, stairs, and other stone-related blocks and items for your colony.

The first tab of the GUI is the main interface.

• Header:
  • Building Name: Shows the name of the building, including the level of the building.
  • Pencil: Allows you to rename the building. The level of the building will always be listed after the name.
• Controls:
  • Build Options: Lets you create a build, upgrade, or repair build order for this hut.
• Footer:
  • Info Button: Some huts have an in-game guide. Press the ? button to access it.
  • Inventory: Here you can access the hut block's storage, where the worker at this hut takes and deposits materials. They will also use any Rack that were placed in the hut when it was built or upgraded, so be sure to check those as well!
  • Chest Icon: Click this button to see all the items in the hut's storage (including the hut block's inventory and any racks that came with the hut). Clicking the ? button next to an item's count will highlight the storage container it’s in.

The second tab of the GUI is the manage workers.

• Header:
  • Assigned Workers: Tells you the worker assigned to this building.
• Controls:
  • Manage Workers: Lets you change which worker is assigned to work at this hut. There can only be one worker at each hut.
  • Recall Worker: Recalls the worker at this building to their hut block. You might use it if they are stuck somewhere, you want to see what they have, or want to give them something directly.

No research is required for this building.

Skills:

• Strength: Faster block breaking
• Stamina: Faster block placing