One of These Things is Not Like the Other

As I mentioned in a previous post, my efforts to get the stepper motors to move were stymied back a lack of jumpers on the RAMPS shield. Auzze sent up some jumpers in the post, but there were only 11 jumpers and one random bit of plastic:

It looks like it’s a tiny little test-piece that Auzze might have been using for calibration purposes. Fortunately, I’ve got a spare jumper lying around, so it won’t be a drama in getting the printer up and running.