We would like to give 50 USD as a special prize for the best engraving using 2W or 3.5W diode laser
http://endurancerobots.com/products/laser-cutters-accessory/laser-cutter-accessory-engraving-samples/
Not necessarily Endurance L-Cheapo.
Please send your pictures to gf@endurancerobots.com
Or place them in our facebook group: Redirecting...