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This page serves to provide an overview of the functionality and assembly required for this project, this is by no means a complete parts list. for details see the bill of materials. There are mounts and firmware configuration files for all the recommended parts in this repository. Before we begin, it should be noted that neither of these include a screen or a camera, however most USB cameras are plug and play, and most screens require very little software change to work. They are not included because they add cost but no print performance.
This Minimal configuration only replaces The mainboard and extruder. This is ideal if you want to get the printer running with the same functionality as before, with greater reliability plus modern software features. It is recommended to install a Bltouch or other physical contact probe, however you may choose to omit the probe and create a mesh manually. It should be noted that without a probe the bed must be removed for homing, as the extruder touches he bed before the endstop.
Needed parts:
- SKR MINI E3 mainboard
- E3D Hemera extruder
Recommended parts:
- Bltouch ABL probe
Important
Before choosing the heated bed, read the overview of the custom bed section.
The Replicator Sharp Includes a Heated bed, a 350 Watt 24 Volt power supply, and a rapid scan probe. This configuration allows the Replicator to print a wide range of filaments, including some engineering grade materials. For build surfaces, a spring steel PEI sheet is recommended, though its totally up to you. The added features over the minimal configuration include the aforementioned wider range of materials and 10-20 second bed meshes. The higher voltage also allows the printer to move significantly faster.
Needed parts:
- SKR MINI E3 mainboard
- E3D Hemera extruder
- Meanwell LRS-350
- Reprap MK2A 200x300mm
- Bigtreetech eddy USB (or other probe)
This section points out a few sensors which work the same on both configs and add some functionality machine.
An accelerometer allows for quick calibration of an input shaper without manual tuning, and can easily be retuned if the printer gets moved or modified.
A filament sensor will allow the printer to detect when it runs out of filament and automatically pause the print. Additionally, some filament sensors like the smart filament sensor from bigtreetech can also see the movement of filament, and detect extruder jams.
The Replicator plus came with a reverse bowden from factory, it simply keeps the toolhead from yanking the filament really hard which causes inconsistent extrusion. In certain situations the printer can tangle the filament on the spool or even knock the spool off of its holder. A reverse bowden is a fixed length PTFE tube that goes between the back of the printer and the toolhead, so that the length of filament stays constant throughout the machines travel.