E3D Roto extruder - EVA 3 - Ratrig VCore 3.1 adapter frame
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A front end to replace the stock EVA 3 frontend to attach an E3D Roto extruder.
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N.B this upgrade requires modifications to the E3d Roto extruder that will most likely invalidate your warranty!
I fancied trying the E3d roto extruder on my ratrig, the goal was to retain as much of the EVA3 extruder as I could and to keep the nozzle in the same position as my standard Pheetus Rapido Hotend.
To achieve my goal I had mount the extruder in an unorthodox way, (see pictures).
The stock Fan in the reverse position keeps the heatsink below 60 degrees even while printing ABS in an enclosed Ratrig 500, with a bed temp of 90 degrees and an enclosure temp of 45 degrees.
Please read the instructional PDF for details of modifications required.
I use a beacon probe with built in accelorometer, I have included a model to include a pinda type probe, and varius cable mounting options for the umbilical cables.
The model is crying out for a shroud to make it look pretty and hide the connectors, but I prefer the basic functional look.
A toolboard mounted to the extruder motor or EVA top plate would also be neater. maybe a project for when I am bored.