So I tried to pluck a chunk of one of my old Minecraft worlds (started waay back during the MC alpha days) with Mineways tool and render it in OctaneVR.

Here's the preview:

And here are the original files (7200x1800px) in jpg and png formats:
http://www.mediafire.com/view/jpf7p9buk ... 001_05.jpg
http://www.mediafire.com/view/1ugexxr5g ... 001_05.png