He repurposed the spray nozzle from a commercial spray paint can. By first releasing all of the pressure from the empty paint he could then use a hack saw to remove the top disk. He used Sugru to ...
It can be tricky, keeping a spray paint can at that Goldilocks not-too-close/not-too-far distance from the surface being painted. The Laser Focus Sprayer is made to take the guesswork out of doing so, ...