Sadly,
It didn't turn out too well.
This is a Tevo Tarantula, updated with lots of bracing, custom bed platform and Chimera clone.
Here are my first two individual head prints. Red is left head, green is right.
With high hopes I created a two-color version of the honerable XYZ calibration cube, hopefully to show red letters in a green cube.
Yeah, not so much.
I use Simplify3D as my slicer. I watched a couple of YouTubes showing how easy it is to fuse two stl files to create a two-color print. When your printer behaves, that is. Wow, what happened? Looking at the bottom of the cube, everything looked fine and correct. Then as the print progressed it looked like "head 2" was compressing in the X axis while the Y-axis looked, well, almost fine. WTF?
Note, I had two individual prints that were fine (if underextruded), so my system is "compressing" as it moves up the Z-axis. I am wondering if I have the head one offset properly done (I measure approximately 18mm spacing in the X axis and zero in Y. Hmm, that looks suspicious. If I have that measurement off, would the error be cumulative? This is certainly what it looks like. Facinating.
Well, heck. If it were easy, this wouldn't be a very interesting hobby, would it? Has anyone seen this before and have a clue what I am witnessing?
Thanks all, just documenting a journey.
DLC