Anyone here with an origo 6000

The reason why I’m asking is that I want to try to make the oven part of the 6000 from a butchered force10. I have the 3000 top  

I removed all the gas fittings and what’s left is perhaps a good starting point for fabricating an alcohol oven. 
what I need is some detailed drawings/photos of how the origo oven is built. Air intake and distribution, stuff like that. 

If anyone here wants to sell me one, that would be more that welcome..