Groundplate GraviTrax
thingiverse
Here is a replacement base plate for the GraviTrax, if the cardboard is not enough or breaks.
Download Model from thingiverse
With this file you will be able to print Groundplate GraviTrax 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 Groundplate GraviTrax.