Daya 550 clone

This is my first 3d print drone i build.

For carbon tube i use 16mm diameter, I'm buying on: https://hobbyking.com/en_us/carbon-fiber-round-tube-330x16x14mm.html

For folding mounting I'm buying on ebay.com: https://www.ebay.com/itm/16MM-Carbon-Fiber-Tube-Folding-Mounting-Base-Group-Black-Screws-for-DIY-RC-Drone/282242888636?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

For Alumunium clamp I'm buying on ebay.com: https://www.ebay.com/itm/Aluminum-Clamp-for-Carbon-Fiber-Tub