This instructable covers the making of an undulating mechanism.
Just a thingy that you can turn and it moves in a wavy way.
Initially it started as a try to make an Anomalocaris:
But with six wings
That proved to be a bit unfeasible with just paperclips.
However the end result is very similar and the movement still looks quite good (especially that spine).
And it turns surprisingly smooth for a paperclip mechanism.
There are some things done that reduced the 'goodness' but I will point them out later.
Just, if somebody tries something similar, just make it bigger than this one, that's the main advice.
Step 1: Materials used
-Different paper clips:
A lot of smaller, easy to bend ones.
A couple of strong, hard to bend ones.
-Thick plastic (whiteboard) marker
-Some discardable ballpoint pens.
-A flexible, plastic ruler. (often given as advertisement).
-An even more flexible, very flat (almost paper thin), small plastic ruler. (also advertisment).
-lots of glue
-Soldering Iron (but can be replaced by whatever can fix two wires together (solder is just very fast and easy)
-Needle nose pliers (or sust fine pliers). One is necessary but a second one is highly recommended.
-Pointy object to make a fine hole in plastic.
-Perforator to cut small plastic circles (out of the small ruler).