Y-Clamp with stop
thingiverse
The printer we'd bought came with a y-stop but no way to actually activate it as the bed moved in the y-axis. I took the clamp that attached the bed to the t-belt as a template and modified it to have an arm that sticks out and can hit the y-stop switch. Based on http://www.thingiverse.com/thing:30394 Instructions Printed with 2 loops and 30% infill -- ymmv
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