This kinda reminds me how Otto Wichtrle created the first contact lense on a machine build from the Merkur construction set (known as Mechano in the West): htt

This kinda reminds me how Otto Wichtrle created the first contact lense on a machine build from the Merkur construction set (known as Mechano in the West): https://cs.m.wikipedia.org/wiki/Soubor:Merkur_based_apparatus_for_centrifugal_casting_of_contact_lenses_by_wichterle.jpg https://cs.m.wikipedia.org/wiki/Soubor:Merkur_based_apparatu... https://www.theatlantic.com/technology/archive/2014/10/soft-contact-lenses-were-created-with-a-toy-construction-set/381070/ https://www.theatlantic.com/technology/archive/2014/10/soft-... Even saw the actual mashine on an exhibition once - cleverly done & powered by a bicycle dynamo. :-)