I am however working on terrain in the same vein as these items.
I think everyone would definitely prefer to see this finished rather than see you divide your time. Given the quality of work you've shown already with this item set and knowing the games/companies you list as your inspirations, it has potential to be epic win.
I do hope you plan on changing up each tool type. Just changing the colors is boring.
That and in-game the iron looks a bit blue and I sometimes mistake it for a diamond tool. No joke.
Call me weird if you want. Haha
Actually, pretty valid, metal is a bit too close to the diamond tools in terms of colour values, so I'll need to solve that with some more bling on the diamond ones, so you can easily see them for what they are.
And on a related note:
here's a really early sneak peak on what I'm working on now, alot of it still needs work, but I wanted to give people a peak on where I'm going with this.