But I don't know (yet) if the dual extrusion kit is compatible with the UM Original+; it depends on the print head being changed or not (we will know within the next few days; the UM Original+ was announced yesterday).
You'll run into a power-supply issue. So you cannot use heated-bed and 2 heaters at the same time. You also need so source a 2nd PT100 (which shouldn't be a huge issue) and you'll run the 2nd heater out of spec (which isn't a big issue, but does not help with the power-supply issue)
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Dim3nsioneer 558
Hi Clark
Welcome to the Ultimaker forum!
The video shows a quite old Cura version from over a year ago. It would look a bit different with the present version. However, support is used in the video. But the support was printed with the same material in this case. So, the answer to your question is no, it was not used (otherweise two different print temperatures would be visible).
With the present Cura version you can select the second extruder for support material. But you have to be aware that dual extrusion ist only available as an experimental kit for the UM Original and not yet for the UM2. Experimental means you must be ready to do some tweaking by yourself in order to get it running more or less properly.
If you want to buy the UM Original I generally recommend to go for the new UM Original+ which includes a heated bed and new electronics. But I don't know (yet) if the dual extrusion kit is compatible with the UM Original+; it depends on the print head being changed or not (we will know within the next few days; the UM Original+ was announced yesterday).
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