Softair Flip-Up Picatinny Sights

I made this sights for challenge with myself.
They are absolutly fuctional and work like a charme using the spring I found in a trashed BIC lighter and 4 bearing balls 3/32"
These objects ar really DIFFICULT to assemble and you must be skillful with file becouse you have to refine and adapt the pieces.
I drew 2 types of lateral wheel, only aesthetics change.
I uploaded a RAR file with all .gcode files ready to print in the better way I found.
"Line" object have to be printed in couple to