Add false ceiling as a child of the true ceiling
Add a true ceiling to the room first, then draw the false ceiling with the extrude rectangle tool and set its drop height and slab thickness.
To create a false ceiling, first add a true ceiling to the room (pick inner-to-inner or outer-to-outer and apply).
✓ 2026年10月11日に製品で確認済みThe false ceiling is a child of the true ceiling, so it can only be added after the true ceiling exists.
✓ 2026年10月11日に製品で確認済みUse the extrude rectangle tool to draw the false ceiling end-to-end, then apply and set the drop height.
✓ 2026年10月11日に製品で確認済みSlab thickness can be set in properties.
✓ 2026年10月11日に製品で確認済み