I have a few short videos on YouTube. I plan to add more.
This is a 15-minute demonstration of scoring, cutting and folding a simple Ullagami model. Start to finish.
It's not always obvious from still photos that all my models are designed to fold up, collapsing flat on their faces.
Here's the answer to an age-old question: what happens when you make an Ullagami model out of shrinky-dink, and the put it in the oven?
Here's a very quick video of a converter script I wrote, to convert my models from rectangular to polar coordinates.