an acrylic adhesive that will actually melt PLA. A little of this applied to the parts, they said, and you can solvent weld PLA just like acetone on ABS. Sure enough, the stuff works great and I ...

PVA is a non-reactive adhesive that cures as the water in the solution evaporates. For 3D printing, a dilute solution of PVA brushed onto the heated bed of the printer will keep ABS and PLA prints ...