Router parallel guide

A Parallel guide for the FERM PRM1015 router.

There are two versions of the fixed block upper and lower part (klemblok_boven and _under). One makes use of a printed disk, the other uses a ball bearing which provides for smoother operation at the risk of more axial play, depending on the quality of the bearing of course.

The design is not suited for milling circles. When needed, modify it, e.g. add a chamfer to the two baseplate bolt holes to support flathead bolts. Add a center jig, see also the original thing.

The adjustment thread used is ISO M6 with 1mm pitch, so a full turn of the knob results in a 1mm displacement. When using a 608 bearing a 6 to 8mm bushing is needed. You can adjust the design yourself. E.g. if you want to use a 606 bearing.
As the M6 thread has some play (in the fixed nut) always make the last turn of the knob counterclockwise to take the backlash out.

Idea: print a mm scale (e.g. generated with the InkScape ScaleGenerator extension). Seal it in pl