Here are some of my chair renderings. Some are might need some work. What settings do you suggest I tweak?
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Wrong forum 
Nice chairs though
wrong place 
But, hell i’m posting soooooooooooo: I really like the first one. The second’s a tad bland, and the third looks hellishly uncomfortable. But renders are okay.You notice a little jagedness in the first render of the third chair in the texture. just letting you know
Wood chair looks very un-natural, being in the industry I’m not sure it’s even possible without some serious engineering going on. Also, the back of the the chair (wood part) is angled wrong. Looks like a big saddle. Other than that I think they pretty good.