Charcoal Pen

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Charcoal Pen
IMG 8575.JPG
Keywords 3D printing, charcoal, writing tools, school supplies
Uses education, hobbyism
Authors Ebumba
Status prototype
Made? Yes
Replicated? No
Designed in United States
Affiliations Principia
Materials Plastic
Cost USD $ 0.68
Sustainable Development Goals SDG04 Quality education
SDG09 Industry innovation and infrastructure
Documentation data
Language English
Manifest data
Language English
Updated 2020-06-04
Author Kathy Nativi
Author affiliation Appropedia
Author email
  • needs more advanced ink description to be practical

Charcoal Pen: Maker Information[edit | edit source]

Project developed by [Max Pletcher Mackspletch (talk) 10:07, 5 December 2016 (PST)]

Abstract[edit | edit source]

  1. This charcoal pen is useful in developing countries as some school supplies cannot be found and afforded in low class towns and villages. This pen was designed as a benchmark design for solving that problem! This project is in response of the OSAT project, projects that are meant to change the world for the better. It is still in development and should be tested more as well as possibly edited in its design if need be.

2. Photo[edit | edit source]

Bill of Materials[edit | edit source]

  1. Filament:
  • Bolt: 20g @ $20.1294 / kg - $0.40
  • Pen Shaft: 14g @ $20.1294 / kg - $0.28
  • Total Filament: 34g @ $20.1294 / kg - $0.68
  1. Charcoal from a fire or some type of colored powder or paste. (Darker the better)
  2. Total Cost: ~$0.68

SOURCE AND STL FILES[edit | edit source]

Fabrication of the OSAT: Tools[edit | edit source]

  1. MOST Delta RepRap or similar RepRap 3-D printer
  2. Spool of PLA or similar printing plastic

Skills Needed to Build OSAT Project[edit | edit source]

  • No Special Skills or knowledge required

Technical Specifications and Assembly Instructions[edit | edit source]

  1. Print Settings
    1. Bolt: 60% infill, 0.2 mm layer height, important to have high infill for maximum strength. Print Vertically for best results
    2. Pen Shaft: 10% infill, 0.2mm layer height, Print Vertically for best results
  1. Print Times (Varies)
    1. Bolt and Pen Shaft Printed Together: 1 hour 55 minutes
    2. Overall Time: 1 hour 55 minutes
  1. Assembly
    1. Assembly Time: time ~5-15min
    2. Take any charcoal or coal that you have available and crush it into a semi chunky powder/paste. Make sure that it retains its color so that it will show up on paper. Next take the charcoal and insert it into the end of the pen. Once this is completed, take the Bolt and begin threading it into the pen. Once the charcoal/ powder leaves the vessel, it is ready to use.

Common Problems and Solutions[edit | edit source]

  • Make sure to print the bolt with a high infill for maximum strength. This helps break down the charcoal as well as keep the pen in shape.
  • If there is a file on this project is unsatisfactory to your liking, please edit the attached files to your liking and upload to this page!

References[edit | edit source]

  • Part of Design uses part from user ForrestChandler on Thingiverse, you can find his part here:| Thingiverse Link
  • Software Packages used include and are limited to Blender and FreeCad

Gallery[edit | edit source]