Print Foldable part at the end and FOLD it when it is still warm and cool it down in foldable position (use cold water) (if you miss out, you can put it back on the preheated  BED 65°C and worm it again for 5 minutes.)

When you build parts together, there must be no resistance between parts.

How to print:

Print:

Print and fold it:

Print with little support on edge:

Use Brim + support