nozzle size memory support dial

As you are finally able to change the nozzle on your UM2 you need help remembering what size is in your machine.

more info on the removable UM2 nozzle...

http://umforum.ultimaker.com/index.php?/topic/7689-custom-heater-block-to-fit-e3d-nozzle-on-ultimaker-2/

want the step file of this design? get it here;

https://www.youmagine.com/designs/nozzle-size-memory-support-dial