found a great #book about 507 mechanical movements published in the 19th century 馃憣
馃摉
https://archive.org/details/Mechanical_Movements_507
also a neat site with animations for some of them
https://507movements.com/mm_246.html
..remembered the "Pentograph" we had in school for scaled metal engraving; depending on how one setup the distances of the fixed points and following the grooves of metal letters set in the workbench.