This website offers adhesives and tips to join pop bottle type plastics. http://www.permabond.com/materials_bonded/4508/I hope this might be helpful. Have a good day.
Easy 3D Printing
If I may ask a question or two, in retrospect did you like how the hubs performed? Also, have you had any experience with it during winter time? Did you test the dome to see how well it would hold up well under a snow load?
This is an excellent Instructable. Thank you!
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