3D model (dwq filetype) of Metal Standard Commercial spiral stairs with circular base. Very easy to alter all of the dimension of steps rotation if you need.


height:  cm 297.            inch 11,7.

Diameter: cm 120.         inch 47,2

notice:Designed to be build with metal ( iron, steel, alluminium, ecc) no wood.

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Download Notes for any help or changing to some draw, just write. I'll be there for you.
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