Gorilla 8 in. Full Hot Glue Sticks (20-Count) (4-Pack) 3032002 - The Home Depot
Loctite® Plastics Bonding System
I don't think this needs an image but my prints won't stick together with gorilla glue, do I need to do something to them to get them to stick (using PETG) :
Stick Fast Glue-2.5 oz | Rockler Woodworking and Hardware
LOCTITE Plastic Bonding 2-Pack 1-fl oz Stick Bonding Waterproof, Quick Dry, Multipurpose Adhesive at Lowes.com