That's pretty similar to every node-based shader editor I've seen - and in turn shader editors are similar to other of node-based environments where there's a g

That's pretty similar to every node-based shader editor I've seen - and in turn shader editors are similar to other of node-based environments where there's a graphical output (compositing software springs to mind) (Not being difficult for the sake of it. I think it's important to focus on the things that make Stamper different to similar tools)