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PVA (polyvinyl alcohol) fiber is a water-soluble 3D printing material mainly used for printing support structures. It adheres perfectly to PLA and ABS and dissolves completely in hot water in just a few hours, leaving a clean, intact product. It works well with any extruder and adheres perfectly to printing tape (except for PET which is slightly less effective). If you want to use PVA 3D printing material as support material, we recommend printing two to three layers of raft after using printing tape.