Version of the Trick Laser LED Light Band http://www.tricklaser.com/LED-Light-Ring-for-Rostock-Platform-RM-LED-RING.htm I.D. = 42 mm O.D. =58.2 millimeters PCB depth = 1.6 millimeters (6) 4.4 mm diameter holes, equally spaced on 50 millimeter diameter center line. (6) surface mount shiny white LED's 1.5 x 3 x 1.2 tall Total depth with LED's = 2.8 millimeters There are 4 solder pads and 2 resistors for electricity input signal revealed on version. (2) electricity cables 1.6 millimeter diameter join at either pair of solder pads.
Version for reference in your layouts to Integrated. Layout Discharge Mechanical source file additionally included.
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