I am working with a car model and getting all of the materials ready for use in my project. The side windows have a noticeable reflection issue where the reflection appears blocky. The headlight cover also has some strange artifacts. I have provided the blend file so you may be able to help me solve this issue.

Blender file download (google drive): http://bit.ly/2SFRp8n

Windows show blocky reflection


Some of your faces don't have smooth shading.
They are shaded flat, creating those ugly triangular artifacts.

Just right click you model and select smooth shading.

enter image description here

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  • $\begingroup$ I had done this before, but apparently doing it again fixed it. Thanks. $\endgroup$ – 01Beaker Feb 19 at 17:30
  • $\begingroup$ Happy to help :). Good luck with your project. $\endgroup$ – Jachym Michal Feb 19 at 17:49
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    $\begingroup$ Also there are two triangles (6 edges) marked as "Sharp" so even set all to Smooth they stay sharp in render. Press W > Clear Sharp (or disable "Auto Smooth" option under Data Properties > Normals, but since your car is one object I dont think you want this :) $\endgroup$ – vklidu Feb 19 at 20:30

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