I have the STL files from Piano Wargames for French, and some from Napoleonic STL for Britsh... no problem.
I had always intended; someday, to do the French in numbers to face the Austrians. Bit then I thought I would scale up a sample figure or two. I used 125% which seems to get a height and stature that fits well with the Perrys.
This was what I got: