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Home Mechanic Bicycle Wheel Truing Stand
Mountain Bike LED Light Bar W/ Makita Battery
Make a Mini FIRE PISTON on Lathe
I assume that, for storage, you would just unscrew the end cap, place the piston back in and then screw the cap back on, which would create the opposite effect. Rather than the piston wanting to push out (due to air pressure), it will want to stay in because you are then creating a vacuum when you pull on the piston. I hope this makes sense :)
Ultimate Guide to Making a Cheap But Effective Aluminium Forge.
Fabricating Fishing Line Artificial Muscle at Home
Dual Input Audio Switching Circuit
Portable PVC Pipe Bluetooth Speaker
Small Portable Speaker Covered With Wool
Build A Pair of Stereo Speakers
Cheap Speaker Backpack
Leather backpack, stitch-by-stitch!
Cheap DIY Skateboard Backpack
Capacitive instrument (using the principle of the distance sensor)
USB Volume knob
Turn An Old Cell Phone Into A Smartwatch
This could be simplified into a smartphone app. Other than that, this is a neat project :)
30 Unit PHiZZ Ball (modular origami)
I made on out of steel :) This an amazing design, and I hope you're successful with your business!
How to make a nickel ring
Homemade pocket knife
Build your own Electric Car!