StairSmith is a free online staircase designer that lets you model stairs in 3D, check UK Building Regulations compliance, and export to IFC4X3 or DXF. No install, no signup.

StairSmith is a free online staircase designer that lets you model stairs in 3D, check UK Building Regulations compliance, and export to IFC4X3 or DXF. No install, no signup.
