HairCards Tool is a 3dsmax tool that will speed up your work for realtime rendering hairs creation. You can create layers of hairs much faster than usual. This tool is working only with 3dsmax 2021.3 (Update 3) and up.
How to use it: https://youtu.be/2dvY10fV9WE (for easier navigation use youtube chapters playlist)
Check demo video 01: https://youtu.be/sahmdIRfLrI
Check demo video 02: https://youtu.be/_LDA7GdfM78
Few animated gifs:
