Square Nail Polish Holder

Square nail polish (or lipstick, whatever) holder.

Not fully parametric - to get the correct angle so that the cut goes up to the last divider cleanly you have to play with ```angle``` and ```fudge```, for example the 4 division version used:

```
xlength = 100;
ywidth = 100;
zheight = 60;
corner = 3;
wall = 2;
divisions = 4;
fudge = 35;
angle = 20;
```

The 5 division version used:

```
xlength = 100;
ywidth = 100;
zheight = 50;
corner = 5;
wall = 3;
divisions = 5;
fu