Soap holder with water drain

It's designed to fit the edge of basin and to have water pour into basin along the slope. Minimum surface area keeps your soap fresh and dry.

OpenSCAD source is available on [GitHub](https://github.com/aleung/KosselPrinter/tree/master/making/soap-holder).

Comes with two sizes:

- Normal: 100mm x 80mm x 20mm. Print with supports.
- Large: 147mm x 100mm x 20mm. Support is not necessary.