Flex material, slow enough to work with whatever material you're using. Make sure your extruder is a flexible-compatible extruder with a fully-constrained filament path - not all extruders will work without being rebuilt/redesigned.
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Printers
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* Heavily-modified 8" dual-extruder machine that started its life as a MakerFarm i3v. Most of the parts on it have been replaced with improved versions.
* Large format machine similar to a C-Bot.
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Materials:
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