Spot Colors using a Thing-O-Matic (Proof of Concept)

We've been able to change colors mid-print by either joining filament or following the end of one color with another. This enables layers of color. However, it doesn't help with spot colors on the same layers.

I wanted to figure out a way to "register" the TOM so I could print a base and then selectively go back to different spots and prints colors after changing and flushing the previous filament.

Since RepG will center a file on the virtual platform, if you have a common outer plane tha