Auto-Building

Welcome¶

Auto-Building turns a simple low-poly mesh into a detailed building. You model the rough shape, tag its faces and edges, and Geometry Nodes fill them with walls, windows, trims, roofs and props.

Note

Requires Blender 5.0 or newer (tested on 5.0, 5.1 and 5.2).

The original mesh stays your control surface: move a wall, extrude a floor, and the building follows.

Low-poly mesh, ID materials, generated building

How it works¶

  1. Model the parts (windows, doors, balconies…) and put each kind in its own collection.

  2. Plug the collections into the Auto-Building panel (Walls, Trims, Roof…).

  3. Tag the base mesh: select faces or edges and click a button. The matching objects appear on them instantly.

Each button only assigns an ID material to the faces (or a crease value to the edges), so you can always do the same by hand. See ID Materials.

Where to start¶