Picture of 3D modelling cases, chassis, etc
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When I get a new toy (electronic device), I usually like to trick it out with a protective case. It's cool and all if there are cases available, I'll just look at the designs available and choose one I like. However, sometimes there aren't any cases available.

For instance, I got an Evo 3D. I wanted an extended battery to go with it. The only one with a case available is by Sedio. It's super expensive, and I don't like the design. I went about finding a cheaper one; of course, the cheaper extended batteries don't have cases.

Since, I have a FDM printer lying around, I went about creating a custom case for it.

This instructable will teach you how to model the case to fit the phone/any device.

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Step 1: Tools and material

* Scanner and/or digital camera
* Caliper
* Ruler
* Vector based graphics software (autoCad, Adobe Illustrator, solidworks, what have you)
* 3D modelling softare (Solidworks, autoCad, 3D studio max, etc)

Step 2: Preparing reference photos

Picture of Preparing reference photos
Like sculpting or modelling, first you need to get a good representation of the object being encased in 3D.

The way I accomplish this (since I don't have a 3D scanner) is to create reference photos of the object's projections. I used a scanner to get exact orthogonal views, however, if you're handy with a camera, you can use a camera instead. I suggest trying to fix the focal point of the image to be at the same spot for all views to keep it consistent.

Resize the photos outside of the vector editor if you want, I did it in Adobe Illustrator.

To get the sizing correct, choose as many reference features in the images as possible (the size of the camera button, the size of the camera lens, the length of the body, etc). Use calipers and rules to measure those features, and adjust the scale of the image accordingly.
tayv3 years ago
I just started using solidworks, and bought the SolidWorks 2011 book which covers beginner to advanced topics, and is very comprehensive. I often use the book as a reference to go through.
You can get it @
dscott43 years ago
I would love to see it added to the 3D print group I have just started

dombeef3 years ago
Why are you in a laser cutter contest if you have a 3d printer?
xeijix (author)  dombeef3 years ago
I wish my 3D printer can etch ...
dombeef xeijix3 years ago
But you can make a laser cutter with a 3d printer, and most of the people entering dont even have a 3d printer.