Pyru and I randomly did some banter-talking and came up with "diagonal ore". 'It (supposedly) always spawns in diagonal veins' (minecraft veterans should know about this) and can be used to craft sloped blocks (for starters, our blocks).

'=is merely a suggestion, if it doesn't work out, then leave it out

Should be possible, but I don't have the skills yet. However it can be accomplished once Pyru gets on the team when he is doing Java on his edu.