Design to camouflage a faucet: cover 2 Logo Elements on a lasered product

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This customer received 43 graphic designs from 9 designers. They chose this graphic design from LutFi as the winning design.
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Graphic Design Brief
We need a design for the product as per attached image: a stainless steel aerator that attaches to the faucet.
https://www.dropbox.com/s/2ivmv6u430y4xk9/aquaclic-tattoo.jpg?dl=0
It bears a company logo/design, that is lasered into the stainless steel.
We are looking for a design that camouflages / covers / overdraws the design, i.e. the elements in the 2 red squares (in: 1), kind of like in those horror tattoo tv-shows.
PROBLEM: we don't know where the design is on the product when it is in the lasering machine as the product is covered in a black coating during lasering.
The design should be attractive so that people love to attach it on their faucet (to save water). It can be anything as a design: animals, geometrical, plants, text, comic, etc. see some examples of our other designs here:
http://aquaclic.info/inox/
The result should be: a nice design where the 2 LOGO ELEMENTS "RE + RÄTIA ENERGIE" in the red squares aRE not recognizeable anymore.
Updates
We are testing feasability of designs on our products, thank you for your patience
Colors
Designer to choose only greyscale colors for use in the design.