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dude no...

unnecessary faces, no loop selection, not mirrored (in your case not mirrored on the X and Y axes), misplaced origin and all in all not very chair like.
at least i would´t sit on it comfortably.

infest more time and you will a hold on the hotkeys.

CG Cookie is a good address:

I'm just a beginner and just recorded what I have done previously.

Thanks for the suggestion though!

my commend sound meaner as intended. Keep working on it!

Support the guy dude! We are all independent creators and learners here