Low force snaps for easy assembly\dis-assembly of mating parts: Difference between revisions

This page was part of an MTU course MSE4777 OA and MSE4777 OB/MSE5777/EE4777/EE5777: Open-source 3-D printingPlease leave comments using the talk page. The course runs in the Fall semester. It is not open edit.Read more...

Low force snaps

Project developed by Jacob Gerdt

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Abstract

There is a pretty simple idea behind this OSAT project and concept is straight forward. A simple snap system that can be used in multiple ways. Something like a snap system might not seem like much but think of the idea when you don't have retail outlets close to you. Snaps can be used in a variety of ways; shirts, coats, satchels or bags, or any other system that would be desired to hold together. This simple idea of a snap system and the varities of of uses make this an aopporiate OSAT project. This snap system can be ulters to be size appropriate for the job it is needed for. This design is based off of a sew in style, has holes to be attached by sewing, and has a peg system similar to that of legos. This style is simple b ut effective and doesn't need large forces to manipulate them but strong enough to hold together.

1. Picture of completed print using

   File:Name-of-your-image.png

Bill of Materials

1. 3-D printer
2. OpenScad
3. PLA filiment

1. STL file
2. OpenScad file

Tools needed for fabrication of the OSAT

1. MOST Delta RepRap or similar RepRap 3-D printer
2. OpenScad or other Cad software http://www.openscad.org/

Skills and Knowledge Necessary to Make the OSAT

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

Technical Specifications and Assembly Instructions

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. (http://www.appropedia.org/Special:Upload)
5. Consider video if appropriate

Common Problems and Solutions

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

Cost savings

• 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

References

• 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]

<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. Be sure to categorize your device so that it will be easy to find – for example “Low voltage connection basics” is categorized in