# Roof Geometry

- [Create a Roof](/user-guide/2d-building/building/levels/roof-geometry/create-a-roof.md)
- [Add Roof Windows](/user-guide/2d-building/building/levels/roof-geometry/add-roof-windows.md)
- [Add Custom Eaves](/user-guide/2d-building/building/levels/roof-geometry/add-custom-eaves.md)
- [Add Skylights](/user-guide/2d-building/building/levels/roof-geometry/add-skylights.md)
- [Specify a Skylight](/user-guide/2d-building/building/levels/roof-geometry/specify-a-skylight.md)
- [Calibrate Underlay](/user-guide/2d-building/building/levels/roof-geometry/calibrate-underlay.md)