About this 3D model

With this brand new marble run you can achieve the impossible! Now you can transport a marble from one spot to another instantaneously with the push of a button! This Portal Marble Run is 100% 3D printed with no supports, and designed to work with a 3/8" ball bearing. Download and print today and impress all your friends! If you like my designs and would like to see more of them, follow me on Instagram @coolthingsbyjacob! Thank you, and happy printing!