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CAD version: ERCF V2
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This project aims to bring multi material capabilities to 3D printers using a single Direct Drive toolhead. While this project is
mainly designed to be used on VORON printers, it can also be used (or adapted) on any 3D printer that runs Klipper.
Find all the project information on the Github page : https://github.com/Enraged-Rabbit-Community/ERCF_v2
The project is composed of 5 different components, some of which are optional:
● Enraged Rabbit Carrot Feeder (ERCF). The Carrot Feeder is the main unit and allows use of a high number of different
filaments (tested up to 14 tools but test team) and feed them, one at a time, into the printer toolhead on an as-needed
basis.
● Enraged Rabbit Cottontail (ERCT) is a new integrated (but optional) filament buffer system to handle the filament when
it is ejected from ERCF on a tool change. It can handle up to 1.5m bowden tube lengths. This has been specifically
designed to minimize friction when setup in accordance with this manual which takes into account the natural filament
memory. It has options for LED gate indicators and entry sensors.
● Enraged Rabbit Filametrix (ERF): This filament cutter is an optional toolhead modification to cleanly cut the tip of the
ejected filament, so it can be loaded easily on next use. This option alleviates the frustrating job of tuning tip formation
through movement of the filament within the extruder, which often still results in strings of filament causing clogs.
● Toolhead Sensor: This is a set of modifications for popular extruders that provides filament detection capability within
the toolhead. Although optional, it is highly recommended, and makes filament change far more reliable and smooth.
● Happy Hare Firmware: This has become the go-to extension to Klipper for controlling various types of MMU. It is
optimized to support ERCF.
● (Future) Enraged Rabbit Pellet Purge (ERPP): Envisioned, but currently unavailable, this will alleviate the need for a
purge tower meaning more room for your prints. Stay tuned.
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INTRODUCTION
THE ENRAGED RABBIT PROJECT
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