Free hinges for rc planes, 3dlabprint compatible

update; 2 more fine hinges to print on flex petg

I am constructing a rc 3dlabprint model, and i was looking at the hinges sold on rc shops. 5.50 euros for 10 little hinges !!!!
Then i remembered that i have a 3d printer... so in 5minutes here are 3 versions of hinges.
Compatible with the 3dlabprint models.

1 pair of flexible hinges in pla but could also be printed on flex filament but is is already flexible in pla. 0.5mm height X10 large, length can be cut print at 190 degrees temperature at 0.05 layers

1 hinge with holes and a little hole for greasing 0.5mm height X10 large, length can be cut

1 simple hinge with 3 greasing holes 0.5mm height X10 large, length can be cut

The metal passing through the hoinges is made with simple pins that you turn to red with a flame. Then it becomes simple iron and can be bend.