Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Hey I render 36 frames from different angles to PNG files on 3Ds Max 2013 but now I want to hide a model and make it so all the parts its blocking to also become transparent.

If you don't understand what I mean I don't want to simply "hide" the instance because then all the parts in the back that otherwise would be invisible would become visible, I just want those parts to become transparent as if I "subtract" the image of the hidden instance out of the final render image.


share|improve this question

Frame set A: Render the frames with only the (object to be subtracted) present.

Take the alpha channel of frame set A and use it to subtract (object to be subtracted) from the original set of frames.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.