The file 'FLSUN Q5 / QQ / QQ-S Arm Spring SuperMod 3D Printer Model' is (obj,stl) file type, size is 897.5KB.
I tried all the spring hooks available on Thingiverse and none of them worked well.
So I decided to do some thinking, and this is the result.
Characteristics:
For best strength:
OBJ file included.
arm_spring_supermod.obj | 845.6KB | |
arm_spring_supermod.stl | 1.8MB |