NegentropicBoy@lemmy.one to Videos@lemmy.ml · 1 year agoFresnel Lens Manufacturingwww.youtube.comexternal-linkmessage-square0fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkFresnel Lens Manufacturingwww.youtube.comNegentropicBoy@lemmy.one to Videos@lemmy.ml · 1 year agomessage-square0fedilink