No label defined (Q56490)

This is a simple clip for LEDs which come 4 very bright white on a small PC board for $1.99 from the following source, and quite possibly others: http://www.goldmine-elec-products.com/prodinfo.asp?number=G15554 4 of these bright LEDs clipped to the Z stage of a ThingOMatic on each side of the extruder provides a good view of prints, especially at the beginning when you really want to see how the plastic is sticking to the platform. These may also be useful for any other printers or devices that use 5mm plywood or material of a similar thickness.