PrintrBot Simple 1403 Spool Holder for 30mm filament spool hole

Offical Spool Holder can't work with 30mm filament spool hole. But you might use my design and for other small hole filament
You need as following access for create new holder.

1. 1/2" Pipe Fitting Female Threaded Elbow 90
2. 1/2" iron Pipe (7~12cm)
3. 1/2" Pipe Fitting Female Threaded Head
4. Printing it use 40% infill