Customizable Gasket Mold Maker

There are a few customizable gasket molds on Thingiverse, but none of them offer the features I was looking for, so I made my own. Hit the [Customizer](https://www.thingiverse.com/apps/customizer/run?thing_id=2287689) button to make your custom gasket mold.

Parameters are the **inner and outer diameter**, the **thickness**, and the **shape of the cross section** (see image). If you use the rounded square or ellipse cross section, with thickness set to (Outer diameter - Inner diameter)/2, then you will get a standard O-ring with perfectly circular cross section.

To speed up curing, you can opt to have little **venting holes** in the mold. It is recommended to use more and/or larger holes in larger molds, otherwise it may take extremely long for the compound to cure inside the mold. In theory you can also use these holes to do *injection molding:* if you set the number of holes to 2, and make them large enough, you can inject silicone through one of the holes until it comes out thr