The file 'Regulable Fan Duct 3D Printer Model' is (stl) file type, size is 39.7KB.
Not my design took it from
http://www.thingiverse.com/thing:154834
the end part is made for the x-carriage
http://www.thingiverse.com/thing:1662604
arm_fan_duct_holder.stl | 69.6KB | |
Brazo.stl | 15.5KB | |
Soporte.stl | 39.3KB | |
Tubo.stl | 70.6KB |