It doesn't matter as my 3d model has a greyscale texture. Whatever is easier to implement (please note: this is all very new to me so a walkthrough would be amazing!)

This is exactly what I'm looking for! https://developer.apple.com/library/archive/documentation/GraphicsImaging/Reference/CoreImageFilterReference/index.html#//apple_ref/doc/filter/ci/CIPhotoEffectNoir But how do I add it to my xcode AR project

This is exactly what I'm looking for! https:/developer.apple.com/library/archive/documentation/Graphics|maging/Reference/CorelmageFilterReference/index.html# I/apple_ref/doc/filter/ci/CIPhotoEffectNoir But how do I add it to my xcode AR project

Since the comment approval system took too long, that link expired. Here's a more permanent one... https://www.dropbox.com/s/zojj6zxd5daillb/7543A4329E99516F6AA57221DAC8418B_video_dashinit.mp4?dl=0 Thank you again