I don't usually organise like this, I'll be honest, but I did realise how much time I was wasting, looking for stuff. And also how much stuff I was accumulating, simply because I wasn't using up scraps/couldn't find the right colour/forgot I even had!
So while I was moving into this room, I designated one of the drawers directly behind my desk to card scraps, having got ruthless and threw out the bits that really were too small to do anything with. I also figured if it was that close to hand, it would get used.

And I'm making myself keep it this way- put scraps back etc- which for me is hard- I'm a naturally ' push the pile to one side' type of tidier, but the bonus is that I'm not hunting for stuff anymore,and I actually have a fairly good idea of what I have & where it is. I've also been labelling all my drawers, so maybe I've found a system that will work for me, instead of against me, for once.
So far, so good, and a lot of scraps are being used up in the cards over the last few days.