3D Printing for Parenting

What is it? Think Parenting Needs.

Did you take a guess? Well,  I’ll tell you what it isn’t.

It doesn’t have moving parts. It doesn’t have complex geometry. It doesn’t push the envelope.  It doesn’t make people ‘ooh’ and ‘aah’.

At GoEngineer, you’ll find a number of 3D Printed parts, projects, and experiments.  The best ones are created by our 3D Printing magicians.  They feed the machine an STL file and out comes an assembly that can fold laundry for you.  You’ll also find really mundane 3D printed items, such as our material swatches, but we need those to do our job.

Before you read any further, let’s set the expectation…my project is just slightly SLIGHTLY more interesting than material swatches.

Let me tell you what happened.

I once took my 2-year-old twins to Stride Rite to get fitted for shoes.  The journey was like enduring a nightmare with my eyes open.  They were moving in two different directions, licking the window, and helping themselves to shoes that are twice as big as their feet.  I was the mom in the room receiving side-eye from normal moms.  I was the one that can’t control her kids.  It was joyful.  It was then that I realized I suffer from a chronic condition called Mommy’s-About-to-Lose-It.  I tucked each kid under my arms and bolted.  Thanks to aerodynamics, they were carried horizontal, so that increased my Lift and allowed me to exit faster.

Unfortunately, I still don’t know their shoe size.  Surely I can’t be the only mom with this problem.

Attempting a project

I decided to download a few online shoe size charts and make a shoe sizer.

Shoe Sizer

Figure 1 Shoe Size Chart, uneven spacing

Turns out these sizes are not technically evenly spaced.

  1. That’s weird.
  2. That’s inconvenient. I was really hoping to throw a linear pattern on and be done with it.

And then I had to do some WIKI-ing.  Wikipedia said something about barleycorn units – whaaaaa?

The barleycorn is an old English unit that equates to  13 inch (8.47 mm). This is the basis for current UK and US shoe sizes, with the largest shoe size taken as twelve inches (a size 12) i.e. 30.5 cm, and then counting backwards in barleycorn units, so a size 11 is 11.67 inches or 29.6 cm

Because I don’t speak barleycorn, I complied with the chart that has actual numbers on it, and sacrificed even spacing.  This is painful to the average engineer, but hooray to Ordinate Dimensioning for the win!

How I did it

I needed a normal-looking footprint, so I stole one from Google images and inserted it as a Sketch Picture.  I rotated it a little bit to my liking and then I just grabbed the spline tool and went to town sketching over it.

Then I added the horizontal sketch lines, adhering to the chart measurements.  This was not tedious at all. [insert sarcasm]

I added the sketch text and did an Extrude Boss – Thin, Mid-Plane to evenly divide the material.

Finally, I added the heel which needs to lie beneath the origin point of my size measurements.

And of course, I need a keyhole to hang it on the wall.

Interested in printing this for yourself? Submit your info and we’ll get a file over to you.

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3D Pen Nozzle/Printer Head Part Replacement /Nib Replacement, Works for 1.75MM PLA& ABS Filament

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Anet 12864 LCD Smart Display Screen Controller Module with Cable for RAMPS 1.4 Arduino Mega Pololu Shield Arduino Reprap 3D Printer Kit Accessory

12864 LCD smart controller for 3D printer.
Supports for RAMPS 1.4 control board.
Built-in encoder allows you adjusting the parameter and selecting file to print.
Large size screen, clear white characters with blue backlit.
Tuning and press the round button to control, with buzzer for reminding, a reset button, easy for operation.

Brand: Anet
Model: 12864
Screen: LCD
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Item Weight: 139g / 4.9oz
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