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The Ultimate Parametric Box

by Heartman, published

The Ultimate Parametric Box by Heartman Feb 19, 2016

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51341Views 5109Downloads Found in Electronics

Summary

NOTE: Check this release for an up-to-date version, including the Panel maker.

As any electronic hobbyist, I always need some enclosures to protect my circuits, and of course make them more user friendly.
More over, with the news mini/micro/nano boards, like Arduino, Raspberry/Banana/Orange pies and so on, enclosures are more needed than never before.

Since a moment I'm thinking about taking a look at OpenScad, just to see what can we do with, and learn how it works.
Plus
I love the Thingiverse Customizer, very usefull for those who don't know how to modelise in 3D, or basically, want to have something fast and easy.

So, I started this project....

It was a good starting way to learn, for me.

Note: I'm French, I did my best to make this presentation without spelling errors, please, correct me if something burned your eyes.

How I Designed This

Let's start from the beginning.

Before to find a good design, what can we do with OpenScad.

Usually, in almost all programming language, we need to begin by something.
The famous "Hello World"

In OpenScad, that will be something like:

cube([20,10,10]);
Means, draw a cube in the ([X, Y, Z]) dimensions (values are in mm that will be the default unit for printing)

image

For all images, right click on the pic, and choose "view image" to watch it in full size.



Press F5 and...

Compilation and rendering

image




Let's go further.

I want now to draw another box and place it inside the first one.
I'm using the translate command to move this second box in ([X,Y,Z]) axis values.
In the example, 1 mm all around, to be centered inside the first one.
- note: the % is just used to make the first box transparent for the demonstration or debugging. -

image




Booleans

Now, I would like to substract the second box from the first one.
I will use the boolean operation, difference, which will substract the second translated object, between the bracket, from the first one.

image




Variables

Here is the interesting part.
After trying what I want, and how I want it.
I replace the values by the named variables, to manage and simplify any size modifications.

image




Experimenting

I had a part in my code for experimenting some read stuff on the documentation,
like the color or Minkowski functions, like debugging characters... this page was always open.

image



This is the starting way I followed to design the Ultimate Parametric Box.

Customizer

The Thingiverse Customizer application is able to link easily the variables needed, and make them editable by anyone, online.
To use the customizer for this project, I checked the well done documentation.

Also,
The Thingiverstity, more precisely this video helped me a lot on how to begin with OpenScad.
And of course the Openscad online documentation was always under my eyes.

Project: The Ultimate Parametric Box

Objectives

  • Design a housing mainly intended for the use of DIY electronic assemblies, control panels, or enclosures for any mini/micro/nano boards like Arduino, Rasberry pi and so on.

  • The box design need to think about:
            a - aesthetic
            b - ergonomics
            c - structural reliability
            d - 3D printing constraints (Effect of layer thickness and printing orientation on mechanical properties)

  • Learn the base of programming language, such as C language-like syntax, Variables, loops, conditions, and finally have the algorithmic foundations in a visual way.

  • Develop a fully configurable box enclosure, easy access for the end user with the Makerbot customizer online interface.


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Audiences

  • Any level.
  • Can be a collaborative project

Preparation

  • Computer with OpenScad installed,

  • Internet access is also recommended to help the students to find inspiration about the design, and/or the mechanical constraints, also the Openscad documentation.

  • A 3D printer.

Step 1

Define the what kind of box we want.
How to close the box: screws, sliders, lock clips

image


Step 2

Translate the box defined in the step one to Openscad primitives shapes.

Step 3

Finalizing the Step two code with variables in order to have a parametric box.

Result



After thinking a lot to find a good concept, easy to print, easy to use, easy to build for anyone.


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here is the result.


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image

right click on the animated pic, and choose "view image" to watch it in full size



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  • This, could be an awesome classroom project (!)
  • The tools used to design and learn are free (!!)

What else...

;)

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awesome work. \m/(>.<)\m/

buon progetto molto ben strutturato

Hi,

grazie per il vostro gentile commento . molto apprezzato

;)

Muy buen trabajo me fue de muchisima utilidad, los conceptos explicados con mucha sencillez.

Hola,

gracias a mi amigo por su comentario

;)

Mar 15, 2016 - Modified Mar 15, 2016

I like the idea, but how can I print it? It exports as a single object, but I think I need to print them in seperate pieces right?
Okay, I just need to export one piece at a time.

Hi,

Yes, I guess you found by yourself, ;)

It's better for you to follow http://www.thingiverse.com/thing:1264391 it's an up-to-date release,
because the present page is made for the challenge.
The other page is the one where I add the modifications.
For exemple, you have actually a test version of the panel maker included.

Have fun,

;)

The Ultimate box maker

How does this differ from your other parametric box, is this a newer version of the other one?
http://www.thingiverse.com/thing:1264391

The Ultimate box maker

Hi Andre,

It's the same project,
I published this one for the http://www.thingiverse.com/tag:MakerEdChallenge.
The Challenge actually is closed, so I update just the other,
so it"s better to follow the other puclication.

thanks for your interest.

By the way, I updated, this morning, the other,
I added an option for the PCB feet.

Have fun ;)

Hi Heartman,

Thank you for your quick reply and explanation. I printed the other one last night, it came out great, thanks! I'll take a picture and post a make :).

You're welcome ;)

Comments deleted.

hay i'm trying to print this but it only is in one file not parts what am i doing wrong thanks

Hi,

scroll down in the description "Thing details" tab, you will find an animation showing you how the customizer works.
You will understand how to export each piece separately.

Have fun.

;)

good job! I too need to do this type of project.

Hi,

Thanks my friend.

I encourage you to start now!

;)

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