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I added some roughness to the plastic. It was actually a ton of different things to make it appear this way and I don't think it's right yet. Too shiny. I still don't have the geometry modified for layer shifts either but the roughness does somewhat emulate the look at the corners at least.
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You can actually see a defect in this corner of that render that appears in the final part as well. It is much more severe in reality, but it's that under extrusion on the corner near the top. It took atleast a centimeter before the extruder was primed again looking at the final photo of my previous post.
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Now that is too shiny and the roughness is appearing blotchy at a distance, probably need to play with the scale of the noise or something. Also not hairy enough! This model is missing the slots of the photo study's print so I will swap it out to make the comparisons easier going forward.