We ran through the process a few more times, tweaking things along the way and running into new issues as we progressed -- like when the demo cube we were printing was knocked off the platform by the Stepstruder itself, or when the nozzle pressed down too hard on an object, which melted at the heat and stuck to the toolhead.

ENGADGET: MakerBot Replicator impressions: the dawning of 3D printers in every home?