Tiny Pulley GT2 - 623zz bearing - seger ring

This is the part of the printer I make: http://www.thingiverse.com/thing:600548 but should work for anyone who needs a pulley roughle the size of a GT2 16 teeth one .)

You can also check more details on my blog (actually my printer's blog ,) : http://blog.darmach.ovh

I hate looking for all those 608zz pulleys being used along GT2 16 teeth pulleys, this make toothed belt to go unparallely to the smooth rods, or to itself, and I didn't like how it looks .)

I made this pulley to be used wi