Anet A8 minimal Spool Holder

#Anet A8 top back Spool Holder
This is for the **ANET A8**, i designed this spool holder for my 3d printer

##Minimal design but very resistant
I don't like to use all my filament to print stupid 3d printer components so I decided to build my own by optimizing the structure in order to obtain the maximum strenght with a very small amount of PLA. Even if the design seems to be relatively fragile, it's design and **simulated** to hold >4X the weight of a single spool.
Also to keep the desig