the first concept KNOPKA use unusual materials: gold plating case and special rubber looking like concrete ..
first sketches and prototype for mass market
another proposal: +IP65 design + Shockproof enclosure
Rubber protects internal elements with glass-filled PC case
colour variation
testing mock-up.
KNOPKA team: A.Voronov, A. Ivanov
design engineer: R. Rubinshtein
design: A.Bazilevskiy