I got a mendel kit and I snapped a piece during the build. I can go print another one at my hackerspace if only I could figure out where the exact STL file is located. I have found dozen of similar but not an exact match. I asked the seller via email but they have not gotten back to me yet.
It is an openbeam based bot, and here is an image of the bot in question.
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plus.google.com]
I appreciate it,
Jim