MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
It flies easily over 10m high.
I used PLA and tried it unlubed at first; This fuses the plastic together enough to stop the pulling process halfway but can easily be broken free nondestructively afterwards. I'd suggest using a nondegrading silicone rubber band.
Geat as present - I made a second one by now.