I’ve recently switched over to using Simplify3D as my default slicer for 3D printing. Its controls are manual support abilities allow for greater control and have been a pleasure to use. It even has the ability to specify multiple print settings within a single print, which can be quite useful. The feature however is somewhat obscure and labor intensive to use. Here’s some thoughts on how this might be improved upon with a new UI:
Frederick G. Kahl 
agreed on every point. cheers.