Archipack Slab - s-leger/archipack GitHub Wiki
Slab features
- Create balcony with fence
- Preserve shape while changing segments type / deleting / adding segments
- Slab from Wall (ceiling or floor)
- Slab from curve
- Wall from Slab

User guide
Find slab from curve, slab from wall on the left panel of 3d view, Create->Archipack under regular primitives