1700.01700.03000.1
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Interactive 3D model of Spiral Staircase

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Spiral Staircase

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Bounding box
1700.0 × 1700.0 × 3000.1 mm
Engine
Precision B-rep
Parameters
16
Published
November 2, 2026

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The prompt

画一个旋转楼梯的cad图

Parameters

NameValueRange
Column Diameter100 mm50 – 300
Column Height3000 mm1000 – 6000
Step Length800 mm400 – 1500
Step Inner Width200 mm100 – 300
Step Outer Width250 mm100 – 300
Step Thickness50 mm20 – 100
Step Count153 – 30
Angle per Step30 deg10 – 60
Rise per Step200 mm100 – 300
Step Inner Offset0 mm0 – 50
Fillet Radius10 mm2 – 20
Handrail Radius900 mm600 – 1200
Handrail Diameter40 mm20 – 80
Handrail Height Above Step900 mm500 – 1200
Handrail Pitch (per full turn)2400 mm1000 – 5000
Baluster Diameter10 mm5 – 30

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Spiral Staircase - Free CAD Model (STEP, STL) | TextoCAD