Stair-tech

3D stair calculators — design in your browser

What it does

Free online 3D stair calculators with real-time visualization. Design straight, L-shaped, U-shaped, and metal frame staircases. Export PDF and DXF.

3D Charts2021 · ▲98
80 stylish 3D illustrations for design projects
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Jake White Architecture12d ago · jakewhitearchitecture.com · ▲1
StairSmith is a free online staircase designer, IFC4 or DXF
Maths3DJun 2026 · maths3d.com · ▲12
Real Maths. Real Places.
GetCalculationJan 2026 · ▲7
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