A new top-left motor support for SmartrapCore with more accurate height

In its original shape, this support piece makes you put the geared wheel that drives the GT2 belt way too high on the axis. I designed this new one that allows to put the motor high enough to avoid this issue, and moves it a little bit backward because otherwise there's no way to have the left Y axis properly installed. That means you'll need a belt that's 2cm longer… I hope you had some extra length on the one you were using. ;)

Update (08/23/2015) : I added a slightly modified version (with