MakerBot Print Flexible Filament with Replicator Plus + Extruder 3D Printer

This is an upgrade for the MakerBot Smart Extruder +, to print easier flexible filament. I tested it even with NinjaFlex (shore 85A) and it works. You have to adjust z-axis offset, print speed (Shell and Infill Print Speed 20mm/s), temperature and retraction (Temperature 235°C, Filament Diameter 1.77, Retraction Distance 0mm). More below. But First …

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