About this 3D model
The Infinite Ruler can be used to measure any length. The centre is captive, prints in place and provides a nice spot to hold the ruler. One full revolution is 100m. [Video](http://youtu.be/tgBQMACQwLs&hd=1)
The Infinite Ruler can be used to measure any length. The centre is captive, prints in place and provides a nice spot to hold the ruler. One full revolution is 100m. [Video](http://youtu.be/tgBQMACQwLs&hd=1)