Parametric 3 x 40mm fans and led effector for e3d v6 (Delta/Kossel)

After a lot of searching I did not find any printable part for my DIY delta 3d printer with these characteristics:

1.- Easy to print (no supports, rafts, ...).
2.- Easy to mount/unmount.
3.- Use 3 40mm fans for cooling (more silent and better airflow).
4.- Clear view of the printing surface (be able to view the printer nozzle and layers layout).
5.- The last point means light, so ultrabright 5mm led support (x2) close to the printing surface and unobstructed lightning.
6.- A way to easil