Yes, please, post some pics when you're done.
Just curious, Roger, you said you built your own machine... was it hard to do? Was it a kit\conversion, or totally from scratch? I'd really love to have my own someday.
Oh, here's a file with an old model of mine built in AC3D and exported to POV with the slope-map thing so you can see what I was thinking:
http://download.tenfootpolesoftware.com/tmp/bear.zip You should be able to just copy and paste your own model over mine in the POV file if you want to use it... I know POVRay has a bit of a learning curve.
Here's another pic in red-blue instead of black and white to make the heightmap conversion easier to see.