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Signed-off-by: Sean Cross <sean@xobs.io>
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Sean Cross 2019-01-12 14:06:22 +08:00
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css/theme/lca2019.css
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@ -39,6 +39,11 @@ body {
align-items: flex-end; align-items: flex-end;
} }
.reveal .footer .url {
position: absolute;
margin-bottom: 30px;
}
.reveal .footer .theme { .reveal .footer .theme {
padding-right: 80px; padding-right: 80px;
} }
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padding-right: 80px; padding-right: 80px;
} }
@media only screen and (max-width:800px) {
.reveal .footer .url {
display: none;
}
}
@media only screen and (max-width:550px) { @media only screen and (max-width:550px) {
.reveal .footer { .reveal .footer {
background-image: none; background-image: none;

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index.html
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@ -4,7 +4,7 @@
<head> <head>
<meta charset="utf-8"> <meta charset="utf-8">
<title>Plastic is Forever: Designing Tomu's Injection-Molded Case</title> <title>Plastic is Forever: Making Tomu's Injection-Molded Case</title>
<meta name="description" content="A framework for easily creating beautiful presentations using HTML"> <meta name="description" content="A framework for easily creating beautiful presentations using HTML">
<meta name="author" content="Sean &quot;xobs&quot; Cross"> <meta name="author" content="Sean &quot;xobs&quot; Cross">
@ -39,19 +39,33 @@
<!-- Start of main presentation --> <!-- Start of main presentation -->
<div class="reveal"> <div class="reveal">
<div class="footer"> <div class="footer">
<span class="theme">The Linux of Things</span><span class="hashtag"> | #LCA2019</span><span class="twitter"> | @linuxconfau</span> <a class="url" href="https://p.xobs.io/lca2019/">p.xobs.io/lca2019</a>
<span class="theme">The Linux of Things</span><span class="hashtag"> | #LCA2019</span><span class="twitter"> |
@linuxconfau</span>
</div> </div>
<div class="slides"> <div class="slides">
<section data-background-image="css/theme/lca2019-title-bg.png"> <section data-background-image="css/theme/lca2019-title-bg.png">
<h2>Plastic is Forever</h2> <h2>Plastic is Forever</h2>
<h4>Creating Tomu's Injection-Molded Case</h4> <h4>Making Tomu's Injection-Molded Case</h4>
<p align="right"> <p align="right">
<small>Sean Cross - <a href="https://xobs.io/">https://xobs.io/</a> - @xobs</small> <small>Sean Cross - <a href="https://xobs.io/">https://xobs.io/</a> - @xobs</small>
</p> </p>
</section> </section>
<section> <section>
<h1>[Image of Tomu]</h1> <h3>About Me</h3>
<img src="img/project-listing.jpg">
<!-- <ol>
<li>Novena</li>
<li>Tomu</li>
<li>Fomu</li>
</ol> -->
<!-- <h4>Manufacturing is Fun!</h4> -->
</section>
<section>
<h3>Tomu</h3>
<img src="img/tomu-item.png" alt="I'm Tomu!">
<aside class="notes"> <aside class="notes">
This is Tomu. If you attended LCA last year, you will have gotten one. Tomu is a fantastic little device -- it's a This is Tomu. If you attended LCA last year, you will have gotten one. Tomu is a fantastic little device -- it's a
computer in your USB port! It's a single printed circuit board, but the thing about USB ports is that they're computer in your USB port! It's a single printed circuit board, but the thing about USB ports is that they're
@ -61,7 +75,7 @@
</section> </section>
<section> <section>
<h1>[Image of Tomu Case]</h1> <h3>Tomu + Case</h3>
<aside class="notes"> <aside class="notes">
This is the Tomu case. It is made out of Polycarbonate, usually called PC. It fits very snugly, and even has a This is the Tomu case. It is made out of Polycarbonate, usually called PC. It fits very snugly, and even has a
satisfying "click" when you insert Tomu. For the next 45 minutes or so, I'll talk about what it took to build satisfying "click" when you insert Tomu. For the next 45 minutes or so, I'll talk about what it took to build
@ -79,16 +93,6 @@
</ol> </ol>
</section> </section>
<section>
<h1>About Me</h1>
<ol>
<li>Novena</li>
<li>Tomu</li>
<li>Fomu</li>
</ol>
<h2>Manufacturing is Fun!</h2>
</section>
<section> <section>
<section> <section>
<h1>Factory Tour!</h1> <h1>Factory Tour!</h1>
@ -576,12 +580,6 @@
into place. They also added the grips on the side, which are just kind of a nice touch. Overall they managed to into place. They also added the grips on the side, which are just kind of a nice touch. Overall they managed to
quickly understand the design and make some simple improvements. And then I was able to approve their design quickly understand the design and make some simple improvements. And then I was able to approve their design
decisions, including the extra cost incurred from the additional lifters, and get the tool made. decisions, including the extra cost incurred from the additional lifters, and get the tool made.
From this point, they took a few weeks to do the first draft of the mold, called T0. This is like a beta release:
everything should be there, but it needs tuning. There will be flow defects, and it will be unpolished. The tool
is still relatively soft at this point, and edits can be made easily. A good plastics vendor will have a
functional tool after T0, but it's not at all uncommon to have to do T1, T2, and more. This test shot will
usually be in black, because it shows lots of defects very easily.
</aside> </aside>
</section> </section>
<section> <section>
@ -601,11 +599,14 @@
</section> </section>
<section> <section>
<h3>T0 Shot</h3> <h3>T0 Shot</h3>
<img src="img/tomu-case-defect.jpg">
<aside class="notes"> <aside class="notes">
After they finish milling, they do a test shot. Usually this is in black, because it helps them to tune features After they finish milling, they do a test shot. Usually this is in black, because it helps them to tune features
such as how quickly to flow plastic. This T0 shot also lets them test to make sure it fits the final product. The such as how quickly to flow plastic. This T0 shot also lets them test to make sure it fits the final product. The
tool is still relatively soft, so changes can easily be made. If they need to remove material, they simply grind tool is still relatively soft, so changes can easily be made. If they need to remove material, they simply grind
it off. If they need to add material, they weld it on and then grind it off. it off. If they need to add material, they weld it on and then grind it off.
A good plastics vendor will have a functional tool after T0, but it's not at all uncommon to have to do T1, T2,
and more. This test shot will usually be in black, because it shows lots of defects very easily.
</aside> </aside>
</section> </section>
<section> <section>