Not a lot of progress to show unfortunately, just lots more fixing. Fixed the extruder, fixed the Z belt (which had bloody well better not come apart again now that Buzz has sewn the damn thing together) fixed the entire X assembly, fixed the extruder AGAIN. The biggest problem now is actually getting the extruder pulling filament reliably, as PLA is quite hard and tends to resist the drive thread. I've sharpened the threads with a hacksaw, and will be testing it out today.
I'm also fiddling with Skeinforge instead of the reprap host - far more complicated, but it looks like it'll give me the output I want. More importantly, it gives me a great preview of the generated layers so I know what I should be seeing on the print bed.
The mendel parts from Adrian Bowyer have just arrived at the hackerspace, and they look amazing. I'll be happy if I get parts even half that good.
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