This is @Ivan_freire_couce first design for 3D printing. We made the printer (prusa 2) at school, as a class project, then we learned some openSCAD basics, and finally we could print some things.
It was difficult to get to the end, it was our first printer for both me and the students, that are 15-16 year-old, but all the work was worth it, lots of fun and lots of learning!
Thank you @Ivan_freire_couce , @pablo_rey_diaz , @Kevin_lopez_bouzamay , @Cris_Rodriguez_Rodri , @Rita_Ferreira , @Maria_Vilar_Lopez and @Lydia_gallego_martin for working so hard!
Wonderful! Look at his face! 
He is so proud and happy. Thanks for sharing