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Part is sized 39.60mm x 34mm x 60mm. Values you gave may refer to part's placing on build plate but still abnormal.

Could you send me the G-Code-file you got from Slic3r/Skeinforge to see what has changed, though I'm not familiar with Skeinforge. I could check the slicing parameters - from Slic3r, choose File - Export Config (or Config Bundle). You can safely change outputted file's endfix to ".txt" if email you're using doesn't allow unusual attachments.