4mm PTFE Tube cutting jig

The problem with cutting jigs with guide slots for blades is that most blades are not chisel type (completely flat on one side, beveled on the other), but have bevels on both front and back. This has the effect of giving an angled cut rather than a right angle as the bevel pushes the cut portion of the tube away from the blade.

This jig has a flat open end on one side and an angled open end on the other. It is intended that the blade is held at an angle while cutting so that the bevel on the