MOST Delta end effector for nylon

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BOM

Lulzbot hexagon hotend $70 https://www.lulzbot.com/products/lulzbot-hexagon-hot-end
24V/4-5A power supply
3mm id x 6mm od PTFE tubing 630mm long
2x M6 x 0.8mm hex nut
3mm print effector
3mm extruder drive body
~1m 18ga speaker wire
2x ~1m 28ga twisted pair
Heat shrink tubing

OpenSCAD design

End effector - download latest version of [Athena SCAD files] and [SCAD libraries]. Change the Bowden dimensions in athena.scad. Render the end effector and print.
Extruder drive - download latest version of [extruder drive SCAD files] (requires the SCAD library, as above). Change the filament dimensions in extruder_drive_renderer.scad. Render the extruder drive body and print.

Build Instructions

Operating Instructions on a MOST Delta

Tested with Maxpower 333605 Residential Grade Round .105-Inch Trimmer Line 690-Foot Length from Amazon for $24.35/3 pounds (1.3kg) so $18.73/kg, which is much better than commercial nylon filament that runs up to $100/kg

To print in nylon using weed wacker filament do the following:

See also

Weed wacker line as 3D printing filament

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