Whee! Now all I need to do is get skeinforge working.
This is product from "my" RepRap 3D Rapid Prototyping Machine. I'm still working on getting the movement smoooth; the shape which looks like a flat hand was just some random movements to test extruding and moving on the flat, while the second one was seeing if I could draw squares on top of each other. Unfortunately there seems to be some "backlash" problems remaining, because after issuing all of the commands to move the print head 20mm in each direction, it would end up in a slightly different place. I could see quite some wobbling happening, but I think with a little revisiting all of the chain tensions, alignment and so on I should have that problem sorted.
Looking forward to printing some real shapes soon!