This LED bar is designed to clip to the front edge of the aluminum plate of an Ord Hadron print bed to provide LED illumination. Left and right parts allow for > 190mm widths and space is provided for the Y axis belt Picture #1 is this thing installed. Picture #2 is a combination of this thing (#5) and another thing (http://www.thingiverse.com/thing:181542), providing total bed illumination. Picture #3 is a combination of this thing (#5) and two other things, for maximum illumination. http://www.thingiverse.com/thing:170086 http://www.thingiverse.com/thing:181542print the STL that has a left and right side (so that a full 200mm or higher width can be printed), then use an ABS glue and a splint to join together - then enjoy.