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Hi Ian, You are out of my ballpark here, but I would be tempted to shape the wheel directly, maybe carving the teeth with an x-acto knife into the edge of the wheels. Maybe you could drill the center hole, run a bolt through it as a shaft for a drill press chuck and file the wheel as it spins, to center the circle, and then sharpen up the knife as much as possible for the detail cutting of the teeth. Probably would take more time than it is worth, and might not work, at that. Good luck with whatever you try.
This project came from a desire to have my head fit properly into the masks I make.
You want me to count them for you? I wouldn't want to take away the fun of exploration you are having.
You contemplate an experiment that I would not perform. I have no experience melting PVC, but I doubt it would get runny without first catching fire, especially if the escaping gasses are close to the flame. I imagine that, industrially, the viscous material is pumped into molds under pressure. You would probably be interested in this link. www.preciousplastic.com
Try it to get a feel for how much working time you get. I color clear silicone with powdered pigments. Cheap powdered colors for cement can be found in some hardware stores. More expensive colors come from art supply stores. Mix them with the silicone on a palette with a palette knife. No paints stick well to silicone rubber. If you want to paint it you have to use clear silicone and a pigment.
Thanks for the feedback. I'm here for free consulting if you need me.
Sorry, not interested. You get handy with DIY hardware projects through practice. I want you to be handy even more than I want you to eat blackberries.
Thanks HaydeeJ. Very nice of you to translate this for me.
Is there a translator in the house? Good luck exploring the material. Have fun.
The beaten path to your door starts where? Nice idea. Our rats are about twice as big, so might need another size bottle.
Sounds pretty toxic, risky, and potentially damaging to the solar cells. It might not even melt to pouring consistency.
I have been thinking of using a turned wooden mold and hammering over it to make tootophone bodies like horns. As far as the smaller features go, you can try hammering the foil over a quarter as an experiment. Crumpled foil has too much texture of its own, and hides the details. Put a skin of foil tape over it first and you can pick up a lot of the details. I don't think you can ever duplicate the details that cast metal can get using this technique, but sculptures you make with this technique do end up looking a lot like cast metal.
Aluminum foil and foil tape...View Instructable »
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