Goal and options: How to insert the poles into your DIY spray booth?
output answer: Drill a hole through the cardboard. Place the sticks to hold the paper, aluminum plate, or whatever you are airbrushing away from the filters and the fan.

Goal and options: how to polish faucets
output answer: After sanitizing with an antibacterial cleanser, polish those faucets and tap handles with some wax paper.

Goal and options: How do I hide the screw heads when making a worm bin for apartments>
output answer:
Drill a 1/4" deep hole with a 3/8" diameter drill bit. Then you can glue screw caps or cut dowels to cover the hole in the wood