Matthew Chalker, AKA Chalker7, is a California-based “informal educator, curriculum content specialist and digital fabrication expert.” Recently he spent sixty hours crafting a custom mechanical iris aperture engagement ring box to surprise his photographer girlfriend. She said “yes!”
Matthew Chalker, AKA Chalker7, is a California-based “informal educator, curriculum content specialist and digital fabrication expert.” Recently he spent sixty hours crafting a custom mechanical iris aperture engagement ring box to...