2D Star generator and extruder

I needed a star generator for a project i am doing and i thought you might have fun with it.
You can change all the variables
The star diameter
The star point length ( subtracted from the diameter)
The number of points
The roundness of points

I added extrusion to this ( it is thingiverse for printing things right !?)
You can make vases out of this if you want , i exposed all the variables int eh linear extrusion function.
The height
The twist
The scale
The convexity ( doesn't seem