The official version is available at CG-Source . A free version offers basic patterns, while the full version requires a perpetual license.
After unzipping your download, find the file specifically named for your version (e.g., FloorGenerator_max2022_64bit.dlm ). Download File Floor Generator v2.10 3dsmax 2022...
Adjust individual board length, width, and grout thickness directly from the modifier panel. The official version is available at CG-Source