Makita RT0700CX dust shoe for cnc (Shapeoko 3)

CNC'ing can be a dusty affair. For my Shapeoko 3, I opted for the Makita router (RT0700cx4 here in the UK. RT0701 in the US) as it was a lot cheaper than the Dewalt. It comes with a trimmer base which, with some simple modification, becomes a great dust shoe.

The trimmer base has a black plastic piece held on with 4 screws. This is the bit that would normally slide along the piece you're trimming. I removed the screws and 3D printed a version of this plate with a circumference lip which would