There are quite a few ED-209s on the Internet for free but all of them have issues - either with accuracy or details or were just abandoned by their original publishers. I took the one on MyMiniFactory which I consider one of the best out there and fixed the visor so it is one piece with the upper head. The original model has an issue where the visor simply will not fit the printed head 

I fixed the visor merged to the head so it is one piece. I also fixed the gashes in the mesh (not sure why they were there) and also uploaded a lower poly count one. You can't see the difference but your slicer will. The fixed head without reducing poly count is 17MB, reduced poly is only about 5MB.

Print - Enjoy - Add and upate this model at your will.

DO NOT PRINT THE LOW POLY COMPLETE ED-209. THIS IS ONLY FOR REFERENCE FOR ASSEMBLY.

• Added new head with NO support. Added complete head no support for SLA/DLP printing
• Added updated Head Top and Low Poly - fixed a super minor .2mm gap.
• Added split leg for easy printing
• Tweaked a few parts to make it easier to fit together, and made a name plate in case you mount it to a base. -Torso, arm flex  RESIZED

Original model: https://www.myminifactory.com/object/3d-print-ed209-from-robocop-5090