About this 3D model
Designed to use the new auto leveling sensor from Printrbot on the original Printrbot Plus. You NEED a metal print bed for the sensor to work. Sensor: http://printrbot.com/shop/auto-leveling-probe-2/ This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/6lBv71NY9VV