TBm
sketchfab
Humans build stairs at http://staircon.com/. Their export comes from Behets staircases, licensed manufacturer number 4771.
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With this file you will be able to print TBm with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on TBm.