Marble Run Stairstep
thingiverse
Marble Run Stairstep Instructions I included the Sketchup file
Download Model from thingiverse
With this file you will be able to print Marble Run Stairstep 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 Marble Run Stairstep.