Laser graffiti remover.
Previously:
Hand-held laser for nuclear decommissioning
200-watt laser bazooka - GIF and video
Micro laser soldering - video
Laser graffiti remover.
Previously:
Hand-held laser for nuclear decommissioning
200-watt laser bazooka - GIF and video
Micro laser soldering - video
New plans added on 11/22: Click here for 2,593 plans for homemade tools.
PJs (Jan 10, 2019)
Having seen the sheer volume, a lot of very skilled graphic artists going to waste, in Italy along the railway system on concrete retaining walls etc I agree it's never going to clean it all up, for cleaning up ancient stone work however it's probably a lot less damaging than chemicals and high pressure water cleaning methods.
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