All additional parts for this model can be found at the previous remix
https://www.printables.com/model/64586-rod-tube-and-screw-cutter-for-dremel
The author remixed this model.
The threads on the arm needed to be rotated to fit the RTX Rotary Tool. I also shaved back the arm to allow easier access to the locking arm.
In addition, the base needed to be adjusted for the shorter cutting shaft.
All additional parts for this model can be found at the previous remix ( https://www.printables.com/model/64586-rod-tube-and-screw-cutter-for-dremel )