Berd-Air drill mask

this is holder to ease berd-air drilling. i found it very difficult to drill holes. and made this tool. print. drill. enjoy.

BOM:

2x M3 flat head scres
2x M3 butterfly nut
2x M3 washer

this works well with:
Berd-Air vertical flex holder https://www.thingiverse.com/thing:3429374
Berd-Air silencer https://www.thingiverse.com/thing:3429324/
Berd-Air Tube Bender (3 mm) https://www.thingiverse.com/thing:2869014