After test it in flight field, I added three improvements:
1.- The lower part is thicker.
2.- Added lateral supports to avoid bending outwards.
3.- Added supports in the base to prevent it from turning towards the back and forth.
Repair some errors in STL file (surface closed).
Landing gear for HK Sbach 342 900mm EPP model airplane (radio control)
Weels screws are 3mm.
Rotate 90 degrees to print it.