Customizable Dishwasher Salt Funnel

#### Version 1.1 (2016-09-08):
Added three parameters:
* **STRAIGHT_PART_HEIGHT**: How long should the straight chute be?
* **FUNNEL_HEIGHT**: How high should the funnel part be?
* **HEIGHT_OF_PILLARS**: What is the distance between salt outlet bottom and pillar bottom?

#### Version 1.0
Since mine went KIA, I was looking for a replacement. Unfortunately, the manufacturer wanted 9 EUR + shipping, and thus I created one myself via openscad. It's highly parameterized, so you can adapt a nu