Customizable Spool Axle Adapter

Generates one adapter - print two of it to be symmetric

Thanks to Emanresu.
Original design and code by emanresu (http://www.thingiverse.com/Emanresu)
Customizable Spool Adapter http://www.thingiverse.com/thing:82800

I optimzed/reduced the used Material on the bigger diameter.

I used it to adapt the Axle of
Spool Holder for small build plates
http://www.thingiverse.com/thing:224853
to
Spool for Laywoo-D3 3mm and 1.75mm
http://www.thingiverse.com/thing:39564