A working crank mechanism to download, print out and experiment
To go with the Globe model from the previous post,
A paper globe to download and make. Members can download
I re-layed the parts of the globe on a more
…and all the men and women… I know what you're
The early stages of a simple Christmas model. Lift the
I've been receiving school trips to the web site recently.
An updated version of the ratchet model using a second
From an idea by Regis in the comments in the
Check out the updated Mk II model! The completed ratchet