Here is a double extruder print I did last week.

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I printed this with the Itty Bitty Double FLEX v2, two 1.75mm E3Dv6 hot ends and my custom milled bolts. Layer height is .2mm, print speed was 80mm/s. It was sliced with Simplify3D with the ooze shield. This was mostly an experiment to see how well the ooze shield would protect a print with lots of crazy curves. There isn't much it can do when you're printing white, and the purple nozzle is rubbing on a white part of the print, so there are a few imperfections, but overall I'm very pleased with the result. I did no temperature tuning. Both nozzles were running at 255C, so there's definitely opportunity to reduce ooze with temps, but this was just a test of the ooze shield.

You can see that the top edges aren't quite filled in. This was also printed with eSteps at 610. Something like 625 would probably be much better.