Freedom 7 Coin Bank

by hsvtrail, published

Freedom 7 Coin Bank by hsvtrail Aug 25, 2012

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Reproduction of a Freedom 7 Mercury Capsule Coin Bank. I was given this coin bank 51 years ago. It commemorates the first human spaceflight by the USA. While you can still find it for sale on auction and antique sites, I don't believe it is any longer being produced. This is a close recreation of the original however, it has been completely regenerated from scratch. The Mercury space capsule was designed and built by McDonnell Aircraft Corporation. I have included scans of a small pamphlet on the Freedom 7 which McDonnell published in the same time period.

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Great work! Thanks for doing this.
Thanks for posting this. I had the same bank many years ago. :)
Thanks for catching the artifacts. I've posted repaired files.

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Print at a high resolution. On my BFB 3000 plus I used a layer height of .125mm

The heat shield has been split into two pieces and oriented to print standing up on the build platform. This maximizes the resolution of the text and images when sliced. No support is needed.

The upper capsule is printed with its bottom to the platform. Again no support is required. However, the bottom of the coin slot is closed for .25mm to provide support for the remainder of the top layers. This requires that your printer be able to bridge across the width of the top.

After printing glue the two heat shield halves together.

Before glueing the heat shield to the upper capsule clean out the bottom of the coin slot with a knife. Sand off any irregularities from the rim of the heat shield and glue in place. For consistency with the original the heat shield is oriented so that the top of the text on the shield is in line with the "United States" hatch on the capsule.

The brochure has been formatted to be printed on opposite sides of a standard 8.5 x 11 page. The light outline on the outside pdf is a guide for cutting out the brochure. Finally, fold in half to complete reproduction of the original.

Great work! Thanks for doing this.
Thanks for posting this. I had the same bank many years ago. :)
I'm printing it but each half of the heat shield has some strange artifacts surrounding them. I open them up in netfabb and cleaned them up for printing. I'll post a pic when I'm done.
Thanks for catching the artifacts. I've posted repaired files.
Could you upload a step or iges file. Someone might then be able to modify the model to make it possible to open the bank to remove the coins without having to destroy it.
I forgot to say that this is a really cool model. Thanks for making available.
Thanks for the nice comment. The original is sealed as well but a flat blade in the coin slot seems to work to align any coins with the slot so they fall back out.

I've added an iges file per your requested and should be able to add a step version shortly.