John Paul Dedy Thesiadi had designed some mods for his Anet E16.
Heat Bed Mod for Better Leveling
John had a mod on the heat bed. With 4 thumbwheel nuts and 4 hex nuts to replace the original springs, which make the leveling more precise.
2x3010 Fan Duct
Two fan duct design, one for the radiator and one for nozzle.
Designer:John Paul Dedy Thesiadi