I wasn’t satisfied with the dust shoe design and looked around on the internet for ideas. I decided on a 2 part shoe so that it would be easier to access the collet for cutter changes and zeroing the cutter. I used a combination of 3D printed parts and CNC cut parts with a brush that I found on Amazon. The removable part slides into the stationary part and is held in with rare earth magnets. It accommodates a 2.5 inch hose. Here are some pics.
Here are the files, which include the design in a Sketchup model: