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I wanted to experiment with brass sheet etching but I never used photoresist before. So here is my first trial with a photoresist exposure using a simple pattern mask. #UV #PhotoResist #circuitboard #circuitetching #etching #ultraviolet #blacklight #etch #art #photolithography #photoresist #brass #brassetching #makermovement #makerrevolution #makers #makersgonnamake #DIY #projects #hobby #arttoy #arttoys #designertoy #designertoys #customtoy #Toydesign #customtoys #crafts #DIY