What is the Best Glue for PLA 3D Printed Parts

So I wanted to know what is the best glue for PLA 3D printed parts. I did some of my own unscientific testing and watch the video to see how different glues hold up. For those of you who just want to know what the best glue is, it's Weld-on 16, with no sanding of the PLA it provides the best adhesion between PLA parts. Also this video was not sponsored. Best glues ranked from best to worst: #1 Weld-On 16 - https://amzn.to/36sJeAC (affiliate link) #2 CA (Superglue) #3 Contact Cement #4 Epoxy - coarsely sanded and rigid applications #5 Polyurethane - coarsely sanded and rigid applications #6 Plastic Model Cement #7 All Purpose Goop - IMO don't bother Check out my merch! (Clothes, Stickers, Mugs) https://andreww.myspreadshop.ca/ The Anycubic Mega-S is an awesome 3D Printer that I am using for all my printing: https://amzn.to/35vuwaH (affiliate link) Link to the Anycubic Mega-S review I did: https://www.youtube.com/watch?v=B4Kp1nXagLg Follow me on Instagram: https://www.instagr