Here it is one of the easiest ways to make great looking grass for your archviz projects, it comes in Itoo forest and Chaos Scatter versions.Ready for large, medium and small surfaces, if you have a large surface to cover with grass just use the large scatter and it will not slow you down, instead if you need your grass close to a walking path without the hassle of intersecting geometry just use the detailed one.
Use instructions:Select the forest or chaos scatter model you want to use (detail, mid or large)Go to the surface section and change the default plane it is applied to, select your surface, DONE :) !!you can select from 4 different looking materials to completly change the grass look.Simple explanation of how to use Turbo GrassItoo forest and Chaos scatter compatible.3dsmax 2021 and upCorona render 11 and up
Video of it https://www.youtube.com/watch?v=LDMlw-l0bSg