I've been experimenting with FDM 3D printers and PLA for about a year now. I'm at the point where I'd like to produce something considerably stronger than PLA, and was wondering if there is a faux-pas list, or general instructions on how to coat PLA with epoxy resin, or even fibreglass/carbon fibre and resin to add strength and a surface to sand and paint.
I would have assumed that I'd need to coat the PLA object using a brush and epoxy resin, but I've also seen blogs where the epoxy mix has been heated enough to become liquid and then the PLA object was submerged in it.
Obviously the fibre coating would most likely have to take place manually by adding sheets, unless I decide to go for shredded fibres (which probably won't provide the strength I'm interested in).
Has anyone tried it, or have a guide on how to do this?