All of the people that say "IT WIL TAK 5EVER TO CODE" and have no programming experience can an hero.
I'll try to fit it into my time schedule to make this in my mod. I'm telling you, though, it's not as awesome as you think. I'd have to get a 3d graphics pipeline going to make it look nice. That'd add a bit more to how intensive TPT is...
Should I make the sides of the pixels shiny?
NO
Not at all. Maybe it would be like that if there were only one line of blocks with variable height.
Do what you like, you're the one making it.
sounds awesome