Well, it seems that flipping one of the motor leads will flip the axis of a print.  This is good if you want to print up a mirror image of something without fiddling with software.  However, this does bring up two of my favorite TV and movie cliche/pet peeves.  These usually come in the form of our hero/heroine standing over the nerdy tech with a cluttered desk and asking the tech to do ridiculous things.

1. Wait.  Stop – now take it back a bit.  Right there.  Zoom in.  Enhance that area.  [Insert revelation]  Great can you print that?123
2. What if we reverse the polarity?4

1. I’ve probably heard this exact bit at least half a dozen different times. [↩]
2. It probably started with Bladerunner. [↩]
3. I’ve got a funny story about Philip K. Dick the next time we’re out drinking. [↩]
4. Because, you know, reversing the polarity fixes anything.  Especially flipped STL’s. [↩]