I have or should say had a pretty lamp with a glass base. It was broken and I'd like to keep what's left as a planter... but I'd like to do so without the danger of cutting myself. Is there a specific type of sand paper I could use to smooth at least a little bit, the sharp edges?
I've used sandpaper to smooth glass before, used 220 grit I think, but it's a slow process. Recently tried using a grinding wheel with my Dremel. All was going well 'till I got a spot too hot and the glass cracked. Another thing to consider when using something that's motorized is that you don't get the glass "resonating" as that will break the glass also.
Whatever you do, wear glasses or a face shield! Good luck!
We do this all the time in glass production. We use a belt sander (48”) with 40 or 60 grit belts. No platen behind the belt so it gives and doesn’t put undue pressure on the glass. Keep the glass moving to avoid overheating. For a smooth finish they are wet polished with a rouge slurry and felt wheels.