LED Mount

Led Diameter: 31mm
Cost per Leds: ~3.20 Euro
Source: http://www.amazon.de/gp/product/B00BEU22PQ/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1

Leds are suitable for 12V AC/DC

For mounting drill some holes in the middle (for fixing I used two small nails)

Created with FreeCAD
Printed in ABS, Mendel Prusa i2