Below are a list of links / programs that will take photographs and turn them into LEGO Mosaics.
Take existing LEGO Art Sets and Remake
Mosaic Maker With File Select by Pennyforge (python script in a zip file):
Using Stud.io Mosaic Maker Feature Tutorial:
Brickpost Article With links to other Mosaic Makers:
Feel free to drop us a line, or comment below if there are others you know about that work well