Wheels with Shrink plastic

You may think I went back to the 80's, but the truth is that it was the kindergarden's teacher who showed this to me a couple of weeks ago. If you don't know what is ti, just google by "shrink plastic". I recommend the Youtube videos.
Some possibilities came to my mind right way! Making wheels was one and the first result is here.
It's not a quality result, but it may be usefull.

 I made 2 sizes: 2 of them about 4,7cm and other two were 5,5 cm. They... shrink.

 Those were too small, and I had one problem with that other wheel...

You can compare the result of the 5,5 wheel with a cannon wheel from an Italeri napoleonic set. The cannon wheel is bigger.

And the final "product". The process of "baking" may distort the wheels, and all parts will get the same thickness. So, if you want something with detail, forget it!

Hope you like it.