i want to build a few these at 3d print level, but would love to see someone prototype some of these at micro level, anyone have access to lithograph? Another b

i want to build a few these at 3d print level, but would love to see someone prototype some of these at micro level, anyone have access to lithograph? Another basic question is potential clock speed based on size and material used. curious if anyone has done some basic ballpark theoreticals