Create cone shaped springs on the fly to use or for testing. Added options I thought might be useful without trying to add too many. 

I've used the Parametric Spring Generator a lot and unfortunately, I was in a position where I needed cone shaped springs and no options were available.

Best to use PETG\TPU…PLA not recommended beyond testing.

Best to use your slicers Auto Orient option. I've been using default slicer settings except for supports.

Best setting for supports is Auto Tree / Default Grid/Organic. 

I have found those work best for springs.