I've been experimenting with the rack and pinion driven flip
Once you've finished your prototype paper model it is time
More on Flip Face: Mechanism #4. Here's my implementation of mechanism
First Flip Face prototype for members to download and try.
The continuing adventures of the Flip Face Mechanism. Here's
Further adventures with the Flip Face Mechanism. I've started off
Progress on the Flip Face project. Okay, so it sort
I'm working on the flip face mechanism again. In this
I really need to keep a scrap book. I mean,
I've been finalising the colours for the faerie project. …and
