This is Lego version of Josef Prusa that was designed for Prusa Factory.
See the stop motion with LegoJo and printer factory here
Read more about printing LEGO like bricks at:
https://blog.prusaprinters.org/how-to-make-3d-printed-lego-and-lego-duplo-parts/
Print with an SLA printer, highest detail (lowest layer height) is reccommended.
For SL1 printer, use 3mf file attached - it contains everything necessary, even stl files.
joints between hands, arms and body might need some postprocessing due to small clearances.
The author hasn't provided the model origin yet.