This is an adaptor for use with Makita trim routers (and clones, eg Katsu). It fixes to the trim base of the router, which should be fitted with a bearing-guided flush trim bit. The adapter provides a much larger guide that runs on the surface that is being lipped, and reduces the tendency of the router to tilt.
In addition to the 3 printed components, the device requires the following hardware:
No special printing requirements - PLA is fine.
A STEP file is included, showing all the assembly details
The author marked this model as their own original creation.