More ideas from Hasan
https://grabcad.com/library/chain-drive-mechanism-1

GrabCad - a great place to share all things engineering. An alternative to Thingiverse.

Geneva Pins

Another kind of geneva mechanism, using a wheel with pins.

INDSTR - conlachanclano:   intentandoseringeniero:   Cómo...

in offers services like printing, CAD model, Fem analysis, mechanical engineering services

Five Themes of Geography & Hemispheres Bookmark

Five Themes of Geography & Hemispheres Bookmark. Here is a good reference to look at when you need to refresh your memory on the definitions of the 5 themes of geography.