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Open Source Pellet Extruder Tool Head for a Desktop 3D Printer

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Open-Source Pellet Extruder Tool Head for a Desktop 3D Printer[edit]

Senior Design project developed by Jacob Franz
This OSAT has been designed but not yet tested - use at own risk.


To create an open source pellet extruder for an open source desktop 3D Printer.


Problem Statement[edit]

Project Significance[edit]

This tool head once complete will be the first Lulzbot compatible FPF-style extruder assembly.

Project Goals:

  1. Design a tool head that can be used on a Lulzbot Taz 6
    • Design uses components found on a standard Taz 6 tool head
  2. Cost of toolhead less than $400

Future Goals:

  1. Tool head design adopted to other open source desktop 3D Printers

Bill of Materials[edit]

This project is still in development and the final bill of materials has not been finalized.

Tools needed[edit]

  1. 3D Printer capable of printing PLA, ABS, and PETG
  2. Electric Drill
    • All drill bit sizes that will be listed in the BOM once finalized
  3. Rotary tool (Rotozip, Dremel, anything similar)
    • Sanding disks
    • Endmills (Various carbide cutter used in carving out the aluminum heater block)
  4. Digital Scale (0.01g increments and has a maximum reading of 100g)
  5. Vise (used in securing the heater block when drilling, and carving the heater block)
  6. Hammer
  7. Tap wrench
  8. Taps
    • M6x1
    • M3x0.5
  9. Metric Hex Wrenches
    • 3 mm, 2.5 mm , 2 mm, 1.5 mm
  10. Fine tip Tweezers
  11. Pliers
  12. Auxiliary Lighting
    • Any bright light that you can move around and have it focus on one area
  13. Hacksaw

Technical Specifications and Assembly Instructions[edit]

In Process