Not that the idea suffers from its simplicity, mind you; it just removes unpolymerized resin from the isopropyl alcohol rinse using the same photopolymerization process used during printing.

If the part is still sticky, rinse again with clean IPA and brush with a soft and maneuverable brush such as a toothbrush. This will scrub away any stubborn, partially-cured resin clinging to the ...

Once the resin is loosened, empty the cleaning solution and rinse all parts of your bong with hot water. Be sure to remove any residue from the rubbing alcohol, salt or baking soda. Repeat the ...