3d Maze
thingiverse
Here is a maze designed specifically for 4-7mm diameter balls, constructed without any internal supports. The maze comes with a corresponding .f3d file for easy import and printing.
Download Model from thingiverse
With this file you will be able to print 3d Maze 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 3d Maze.