DIY Filament Runout/Jam Sensor.

Designed to mount on the front left end of the top 2020 V slot extrusion. This is best suited for direct drive. For a standard Bowden setup the end cover could be chopped off so this can be mounted at the rear.

Requires PCB microswitch with roller, signal wire, 10K resistor, 3 pin JST-XH connector and crimps, 36mm length of PTFE tube.

Board -> Switch:-
S -> C (common)
G -> 10K resistor -> NC (normally closed)
V -> NO (normally open)

Cut a notch in the PTFE tube for the roller to fit.

This configuration works in Jyers and MRiscoC firmware.

DIY Filament Runout & Jam Sensor

DIY Filament Runout/Jam Sensor Mount.

Requires PCB microswitch with roller, signal wire, 10K resistor, 3 pin JST-XH connector and crimps, 36mm length of PTFE tube.

Board -> Switch:-
S -> C (common)
G -> 10K resistor -> NC (normally closed)
V -> NO (normally open)

Cut a notch in the PTFE tube for the roller to fit.

This configuration works in Jyers and MRiscoC firmware.

FilamentSensor.stl

Creality Ender 3 V2 Fan Shroud

Uses stock fans and mounts in place of the original shroud.

Offers great visibilty of the nozzle during printing with improved part cooling. This shroud doesn't interfere with 3D/BL Touch or Direct Drive.

Print with supports on build plate, 30% infill.

Stock Fan Shroud Replacement for Better Visibility and Cooling

FanMount.stl

Direct Drive Extruder Mount with 3D/BLTouch - FOR DUAL GEAR EXTRUDERS

This is specifically for metal dual gear extruders where the filament is offset from the original by 9.25mm.

30% gyroid infill recommended.
This pushes the limits of overhangs, so consider printing with supports.

Direct Drive Extruder Mount with BL Touch (for Dual Gear Extruder)

DD2GExtruderBL.stl

Ender 3 V2 Tool Holder for Dual Z Axis
with 5 microSD slots.

20-30% Infill, supports on build plate.

Shorter front section allows for dual gear extruders in direct drive configuration.

E3V2 Tool Holder for Dual Z Axis

Ender 3 V2 Tool Holder for Dual Z Axis

20-30% Infill, sipports on build plate.

E3V2ToolHolder2Z.stl

I use OpenSCAD. Feel free to ask for my poorly commented code!

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DIY Filament Runout & Jam Sensor

Stock Fan Shroud Replacement for Better Visibility and Cooling

Direct Drive Extruder Mount with BL Touch (for Dual Gear Extruder)

E3V2 Tool Holder for Dual Z Axis