X/Y Lowrider by TwoTimes

These designs will work for CupCake serial number 100 and up.
Videos of the TwoTimes LowRider:
https://www.youtube.com/watch?v=hsjkNFvNNVw
https://www.youtube.com/watch?v=MHreh-6frpo
https://www.youtube.com/watch?v=SvUpGfhuiXA
TwoTimes designed the X/Y LowRider, and then vanished from the internet. I have re-uploaded the files here, to make sure at least one copy remains.
You should combine this Thing with this excellent linear bearing platform:
http://www.thingiverse.com/thing:33485
Pictorial instructions:
http://www.flickr.com/photos/48982649@N07/sets/72157624995806009/