Makita Router Dust Boot (Shapeoko 3)

**[Update 2019-04-03]** v4 released:

- Changed the files to be in MM so they open properly sized in many editors slicers
- Added a "fillbar" which can be placed over the top model and used as a way to add extra support in the print. *([See tip #2 on using mesh overlap](https://bit.ly/2uJKy0H))*
- Increased the thickness around the hex bolt area by 1/4" to prevent tear out under repeated tightening.

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A dust boot for my makita router. What's special about it:

- Suction area has n