Impossible box
thingiverse
This box should technically be impossible but with the ball already printed inside it is not. It is an easy project for beginners because you can experience 3D printing with a cool result.
Download Model from thingiverse
With this file you will be able to print Impossible box 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 Impossible box.