Truggy Tire Mold

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Flexible filament is pricey and doesn't perform well in every printer. I sought very flexible tires, and I wanted to be able to mold them myself. Here's the truggy tire mold I came up with. I made my tires from Oogoo, which you can find the recipe for here: http://www.instructables.com/id/How-To-Make-Your-Own-Sugru-Substitute/. Oogoo sets in fairly quickly (I de-molded within 30 minutes) so you can print one mold and produce as many tires as desired. You can also tint them any color you want by adding a little oil-based paint - I opted for traditional black, but red would have worked just as well. Keep in mind that you'll need to mix up a substantial amount of Oogoo to make this mold (like over half a tube of caulk). Oogoo is stiff enough that when mixing this much it will snap a Popsicle stick, so use a metal stirrer and work fast. It's also a good idea to try printing and casting some of my smaller molds first as you'll need to move quickly to get a good casting - my first one had some missing bits around the edges (visible in some of my photos). My second attempt went much smoother since I knew exactly how much Oogoo I needed to prepare.