This is what I did today - the vest from the TOS episode "A private little war". I glued together fabric and leather stripes. Sewing did not work. The fabric was given to me for free in a curtain store, how neat is that? The figure is not finished yet, I'll also do the pants and boots (and I just realized he misses the leather straps on his arms). But I wanted to show off the vest. The hardest part was actually making those tiny bowknots. With a tweezer. I don't think I'll ever undress him again ;)
This is how I started out - the right Kirk was the Mirror Mirror Kirk, I just removed his golden vest:
Preparation - from watching the episode:
Guess what this will become?
It took a while finding out how much glue to apply so it would hold but not leave stain marks:
Here you can see that simply painting the lines would not have been an option: