Can you sharpen a dull file in Acid? Sharpening metal files - Experiment

I’ve heard that you can sharpen dull files in acid. In this video I’ll be experimenting with sharpening some in sulfuric and acedic acid. Please consider supporting me on Patreon. You’ll receive access to patron only posts as well as 3d printing files You can purchase the Polycast filament here ----- Affiliate links ---- Scotch Brite Wheels Polishing Compound The best polishing wheels ever Overture 3d printer filament Some of my favorite hand files The die grinder I use Clear Coat - I love this stuff! NeverDull metal polish Liver of Sulfur Artillery Sidewinder X2 3d printer Elegoo Saturn 3d Printer Creal