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[[File:alex.weitman.png|thumb|Designer - Alex Weitman.]]
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[[File:Imageneeded.png|thumb|right|Sample photo caption.]]


This page is for Alex Weitman's Final Open Source Appropriate Technology (OSAT) Project. Her page can be found here: [[User:Alex.weitman|Alex.weitman]]
{{Project data
| authors = User:Alex.weitman
| status = Prototyped
| cost = USD 0.18
| location = Elsah, Illinois
}}


<center>''You can put an abstract (a brief description of your project) here. ''</center>
{{242 notice}}


Some introduction text and background can go here.
This page is for Alex Weitman's Final Open Source Appropriate Technology (OSAT) Project. Her page can be found here: [[User:Alex.weitman|Alex.weitman]]


==Project Background==
<center>This OSAT project was completed for the Engineering 242 class at Principia College in Elsah, Illinois.</center>
 
== Project Background ==


The purpose of the OSAT project is for me to improve upon another project that someone else has done.
The purpose of the OSAT project is for me to improve upon another project that someone else has done.
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{{242}}
== OSAT Pointed Tent Stake ==
==Title of the device or system ==
 
Project developed by [your name linked to your user account]
Project developed by [[User:Alex.weitman]]
Add a status meter by copying the following templates (inside double curly brackets) into your page as you reach each step: status-design, status-prototype, status-deployed, status-model and status-verified....
 
{{Statusboxtop}}
== Abstract ==
{{status-design}}
 
{{status-prototype}}
# This project is done to create a better version of a tent stake that I found. My version has a better head to use a hammer on, it is twisty like the original, but it also has a point on the end of it so it can pierce the ground better and is able to twist in after that. This would be appropriate for ground that is firmer and harder to penetrate with a dull end, like the original design. I used OpenSCAD to design this tent stake. This use of open source technology and design helped me to understand OpenSCAD more completely as well as make it easy for anyone to open the OpenSCAD program and improve upon my design to continue to improve designs everywhere.
You can help Appropedia by contributing to the next step in this [[OSAT]]'s [[:Category:Status|status]].
# [[File:TentStakeOSAT.png|100px]] [[Tent Stake Scad file - will update]]
{{boxbottom}}


==Abstract==
== Bill of Materials ==
# 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?
# Picture of completed print using [[Image:Wood_WorkingClamp_Parts.png|200px|right]]


== Bill of Materials==
# For this print, I used 1.7 meters of filament. For the 1.7 meter print, it costs $0.18 of filament.
# Provide a full BOM -- Materials needed for fabrication of device and alternative materials if they are not available, prices/sources of non-printable parts
# Materials needed includes: a 3D printer – for example I use a Jelly Box to print my designs, and filament (as well as electricity to power the printer).
## Upload and link to all source files from open source CAD
## SCAD and STL are not being accepted on appropedia at the moment, so I cannot include my links either one, and libre3D is not working either. But, the pictures are included on this page.
## Upload and link to all STLs
 
== Tools needed ==


== Tools needed for fabrication of the OSAT==
# Jellybox or similar RepRap 3-D printer
# Jellybox or similar RepRap 3-D printer
#
# Filament - Orange
 
== Skills and knowledge needed ==
 
* Knowledge of OpenSCAD is required
* Knowledge of Cura (to turn STL files into.gcode files)


== Skills and Knowledge Necessary to Make the OSAT ==
== Technical Specifications and Assembly Instructions ==
* If you used special skill – link to relevant wikipedia or wikiversity articles/courses


== Technical Specifications and Assembly Instructions==
# Print instructions: Majority of the Feedrate time can be at 100%, but in order to have a point at the tip of the tent stake, slow down to 20-25% for a very good, sharp tip.
# 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.
# No assembly required.
# Include print time estimate
# Print Time: Approximately 47 minutes
# Include assembly time estimate
# Assembly Time: 0 minutes
# Including drawings or pictures of the device at stage of assembly at minimum. (http://www.appropedia.org/Special:Upload)
# Consider video if appropriate
{|style="border:1px solid #73BF73; background-color: #E6FFE6; margin-left:.1em; margin-top:2px; -moz-border-radius:15px;" align="right" width="150px"
!<big>Example video summary of textbook</big>
|-
|<center>{{#widget:YouTube|id=yiJDx9dCfEQ}} </center>
|-
|}


=== Common Problems and Solutions===
=== Common Problems and Solutions ===
* Include common mistakes/problems to avoid in building your OSAT and how to overcome them


== Cost savings==
* My first print was too small, and I assumed that it might break off since the body of the stake was too thin. So I printed it again with a wider body, and it is very durable.
* If your solution is not a low cost one then it is not really appropriate.
* If you print with a raft, and you take the raft off at the end of the print, make sure that all the sharp edges of the ripped raft are taken out to have a more refined look.
# Estimate your costs
# Find a commercial equivalent
# Calculate $ savings and % savings


==References==
== Cost savings ==


* The sources of information (e.g. engineering handbooks, journal articles, government documents, webpages, books, magazine articles etc.). References should use the <nowiki> <ref> </ref> and <references/>  </nowiki>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: <ref> web page: Department of Energy (DOE) Landscaping and Energy Efficiency, DOE/GO-10095 (1995) Available: http://www.eren.doe.gov/erec/factsheets/landscape.html</ref>
* This project had a huge amount of cost savings!
# I used 1.7 meters, or about 5 grams of filament for this print. 1.7 meters costs $0.18 to print.
# REI sells one tent stake for $1.
# This would be 82% savings, or $0.82, by printing the tent stake instead of buying it.


<references/>
== References ==
<nowiki>
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


* Need help with OpenSCAD?:<ref>web page: OpenSCAD Cheat Sheet Available: [https://www.openscad.org/cheatsheet/ http://www.openscad.org/cheatsheet/]</ref>


<references />


[[Category:How tos]]
<nowiki>
[[Category:Electricity]]
[[Category:Electric lighting]].


</nowiki>
</nowiki>


[[category:OSAT 3D-Printable Designs]]
{{Page data
[[category:ENGR242]]
| keywords = tent stake, osat, 3d printing, PLA filament, OSAT 3D-Printable Designs
[[category:242-2017 People]]
| sdg = SDG09 Industry innovation and infrastructure
| authors = User:Alex.weitman
| published = 2017
| part-of = ENGR242
| organizations = Principia College
}}
 
[[Category:How tos]]
[[Category:Camping]]
[[Category:3d printing]]
[[Category:OSAT 3D-Printable Designs]]

Latest revision as of 16:28, 29 January 2024

Designer - Alex Weitman.
FA info icon.svg Angle down icon.svg Project data
Authors Alex W
Location Elsah, Illinois
Status Prototyped
Cost USD 0.18
OKH Manifest Download

This page is for Alex Weitman's Final Open Source Appropriate Technology (OSAT) Project. Her page can be found here: Alex.weitman

This OSAT project was completed for the Engineering 242 class at Principia College in Elsah, Illinois.

Project Background[edit | edit source]

The purpose of the OSAT project is for me to improve upon another project that someone else has done.

Here are the original project and my improvement project side by side (my project is still in the STL file stage, not printed yet):

OSAT Pointed Tent Stake[edit | edit source]

Project developed by User:Alex.weitman

Abstract[edit | edit source]

  1. This project is done to create a better version of a tent stake that I found. My version has a better head to use a hammer on, it is twisty like the original, but it also has a point on the end of it so it can pierce the ground better and is able to twist in after that. This would be appropriate for ground that is firmer and harder to penetrate with a dull end, like the original design. I used OpenSCAD to design this tent stake. This use of open source technology and design helped me to understand OpenSCAD more completely as well as make it easy for anyone to open the OpenSCAD program and improve upon my design to continue to improve designs everywhere.
  2. TentStakeOSAT.png Tent Stake Scad file - will update

Bill of Materials[edit | edit source]

  1. For this print, I used 1.7 meters of filament. For the 1.7 meter print, it costs $0.18 of filament.
  2. Materials needed includes: a 3D printer – for example I use a Jelly Box to print my designs, and filament (as well as electricity to power the printer).
    1. SCAD and STL are not being accepted on appropedia at the moment, so I cannot include my links either one, and libre3D is not working either. But, the pictures are included on this page.

Tools needed[edit | edit source]

  1. Jellybox or similar RepRap 3-D printer
  2. Filament - Orange

Skills and knowledge needed[edit | edit source]

  • Knowledge of OpenSCAD is required
  • Knowledge of Cura (to turn STL files into.gcode files)

Technical Specifications and Assembly Instructions[edit | edit source]

  1. Print instructions: Majority of the Feedrate time can be at 100%, but in order to have a point at the tip of the tent stake, slow down to 20-25% for a very good, sharp tip.
  2. No assembly required.
  3. Print Time: Approximately 47 minutes
  4. Assembly Time: 0 minutes

Common Problems and Solutions[edit | edit source]

  • My first print was too small, and I assumed that it might break off since the body of the stake was too thin. So I printed it again with a wider body, and it is very durable.
  • If you print with a raft, and you take the raft off at the end of the print, make sure that all the sharp edges of the ripped raft are taken out to have a more refined look.

Cost savings[edit | edit source]

  • This project had a huge amount of cost savings!
  1. I used 1.7 meters, or about 5 grams of filament for this print. 1.7 meters costs $0.18 to print.
  2. REI sells one tent stake for $1.
  3. This would be 82% savings, or $0.82, by printing the tent stake instead of buying it.

References[edit | edit source]

  • Need help with OpenSCAD?:[1]
  1. web page: OpenSCAD Cheat Sheet Available: http://www.openscad.org/cheatsheet/

FA info icon.svg Angle down icon.svg Page data
Part of ENGR242
Keywords tent stake, osat, 3d printing, pla filament, osat 3d-printable designs
SDG SDG09 Industry innovation and infrastructure
Authors Alex W
License CC-BY-SA-3.0
Organizations Principia College
Language English (en)
Related subpages, pages link here
Impact 425 page views
Created April 28, 2017 by Alex W
Modified January 29, 2024 by Felipe Schenone
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