An interesting mechanism for you to download and make. The main handle links to a four-step geneva drive. The movement from this is an intermittent quarter turn rotation which is connected directly to a crank.
The result is this curious motion which can be used as the starting point for your own character based paper animations or made simply as a mechanical curiosity.
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Sprinkles! A free pattern to download and print out. The sprinkles pattern originally appeared on top of the Birthday Cake project, this improved version has a range of different of colour schemes to suit different projects.
