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This OSAT has been designed but not yet tested - use at own risk.
This OSAT has been modeled.
Hotend.JPG This page is part of a Principia course ENGR242: 3-D Printing Technology

Please leave comments using the discussion tab. The course runs in the Spring semester. It is not open edit.

User Page Stuff[edit]


  • I am Rachael. I am from South Carolina. I am a Junior at Principia College studying Mass Communication and Dance.
  • The open source movement is sharing ideas to grow grander ones.
  • I am attracted to it, because therefore more people get to be involved and some ideas that could not be developed before can get further developed. It is teamwork.
  • My Jellybox uses Open Source Software and the things that I'll print with it are going to be from the open Source movement.
  • I think in the future, there will be some big things created!

Demo stuff[edit]

Picture What it is Description
3DPrintedPig.jpg 3D Printed Pig Flexi Articulated Piglet Child Pig by jtronics is licensed under the Creative Commons - Attribution - Non-Commercial license.
Lamborghini 3DPrint.jpg Lamborghini lamborghini by Botboy is licensed under the Creative Commons - Attribution - Share Alike license.
LeftFanMounts 3DPrints.jpg Xcarriage.jpg Left Fan Mount - My replacement parts for the printer. filipgoc G-Code generated by Simplify3D(R) Version 3.0.0
GardenPig.jpg Garden Pig Garden Pig by WorksBySolo is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
Snowman.png Snowman I created this snowman in Blender myself with all the different shapes provided. I took a picture of it in Blender.
Bowl.jpg Bowl In order to make the camera lens print, I followed my professor along in class through the program, Blender. It then printed very quickly.
PencilHolder 3DPrint.jpg Pencil Holder Pencil holder by SIMON68 is licensed under the Creative Commons - Attribution - Share Alike license.
Lamb 3DPrint.jpg Lamb Lamb by teentechsquad is licensed under the Creative Commons - Attribution license
Rockwallmount jpg.jpeg Rock Wall Mount Rock Wall Hold - MSE4777 by admitche is licensed under the Creative Commons - Attribution - Share Alike license.
20191003 213006285 iOS.jpg Made on FreeCAD with the help of my professor.
BugBox.jpeg Bug Catching Box Made on FreeCAD This design was inspired by John Lovseth and was created for him. He plans on catching caterpillars, frogs, etc. with the box. He was blown away, super excited to see the bug box. He was also glad that he got to keep it. It was a long project to complete and one that I was surprised that came to life by ME! I do not ever build things, so to have this project actually come to life, was amazing. This project needs heat set inserts, screws, and mesh wire to go across. The rest is all 3D printed on a JellyBox Printer.


jellybox print


Oshw-logo.png This user is a member with interest and knowledge of Open Source Hardware.
Reprap.png This user is a member with an interest and knowledge of 3-D printing.

Picture gallery[edit]

title of gallery for pictures


  1. Paragraph description of the OSAT - why is it Appropriate? What need does it fulfil? Are there case studies you have found of a technology being used successfully?
  2. Picture of completed print using
    Wood WorkingClamp Parts.png

Bill of Materials[edit]

  1. Provide a full BOM -- Materials needed for fabrication of device and alternative materials if they are not available, prices/sources of non-printable parts
    1. Upload and link to all source files from open source CAD
    2. Upload and link to all STLs

Tools needed for fabrication of the OSAT[edit]

  1. Jellybox or similar RepRap 3-D printer

Skills and Knowledge Necessary to Make the OSAT[edit]

  • If you used special skill – link to relevant wikipedia or wikiversity articles/courses

Technical Specifications and Assembly Instructions[edit]

  1. Provide directions for print/assembly - be detailed enough in your “how to” to ensure that someone could construct the device from your description. Consider the elegance of IKEA like instructions.
  2. Include print time estimate
  3. Include assembly time estimate
  4. Including drawings or pictures of the device at stage of assembly at minimum. (
  5. Consider video if appropriate
Example video summary of textbook

Common Problems and Solutions[edit]

  • Include common mistakes/problems to avoid in building your OSAT and how to overcome them

Cost savings[edit]

  • If your solution is not a low cost one then it is not really appropriate.
  1. Estimate your costs
  2. Find a commercial equivalent
  3. Calculate $ savings and % savings


  • The sources of information (e.g. engineering handbooks, journal articles, government documents, webpages, books, magazine articles etc.). References should use the <ref> </ref> and <references/> tags and can be in any format but should include all the information necessary for someone else to find the same information you did. For example: [1]
  1. web page: Department of Energy (DOE) Landscaping and Energy Efficiency, DOE/GO-10095 (1995) Available:

Based on the developmental needs addressed (e.g. food, heat, electricity, clean water, health care, etc.) be sure to label your device in the proper categories e.g. use [[Category:Water]]. Be sure to categorize your device so that it will be easy to find – for example “Low voltage connection basics” is categorized in [[Category:How tos]] [[Category:Electricity]] [[Category:Electric lighting]].