Right, so here is what I would suggest doing. I would stay away from designing your own stuff for now. You'll need a hole lot more art under your belt to figure out good design language etc. So make real world stuffs, (you can do sci-fi I wouldn't 100% suggest it at the moment) So pick a subject matter and do a series of…
The metal on your katana felt off so I had a look at the flats at your site. Unless I am overlooking something, you should really look at using a gloss map. Even when not using pbr, that's such a important map. And just diffuse+spec is getting outdated at this point if you want to do realistic assets. UV's for the katana:…