Hi David,
Thank you so much for your support and answer!
I was asking while not everybody is modeling stuff for media press or advertisement movie but for any game which the player is walking near to the object.
In regards to the subject, interior scene, I always try to use textures 2-3 times bigger as the uv snapshot size.
Regarding Jason course you suggested: I appreciate the courses SM is offering, but having a look at the course content, it show me that what every course about UV mapping and texturing shows me: how to texture a character. I bought so many courses about interior design, and believe me, every course was the money worth in terms of modeling. But at the end, the course finished and the interior is still at this greyish color on Lambert1.
Is there really no course which is sharing how to handle textures on an interior scene?
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KR;Lecra