[Coco] New CoCo Cartridge CAD Preview

[Joel Ewy]

On 04/15/2013 09:52 PM, camillus Blockx wrote:
> If I remember it correctly, there was a person that made use of a cassette
> case, to make a ROM cartridge interface. I used it for a bus buffer for the
> coco, that was designed by the coco computerclub HCC in the netherlands. It
> worked fine.
>
> cb

Sounds like a creative reuse of whatever materials are at hand.  I have 
some respect for that.  In my case, a 3D printer is at hand, so I'll try 
to make creative use of it.

JCE

>
>
> On Mon, Apr 15, 2013 at 9:45 PM, Joel Ewy <jcewy at swbell.net> wrote:
>
>> I posted a screen shot of a preview of the CoCo cartridge housing I'm
>> designing in OpenSCAD on my blog: http://8littlebits.wordpress.**
>> com/2013/04/16/cartridge-**housing-cad/<http://8littlebits.wordpress.com/2013/04/16/cartridge-housing-cad/>
>>
>> It isn't quite finished, and I haven't printed it yet, but this should
>> give an indication of the basic design.  I have it so that the depth of the
>> cartridge is parameterized.  As depicted in the screen shot, it is the same
>> size as a game cart.  (I'm using Quasar Commander as my model.)  But by
>> changing one variable, I can make a longer cart.  At the moment, the
>> longest one I can make will be just a little over 100mm, which is in
>> between a game cart and the vacuum-formed cart they put the DS-69 video
>> digitizer in, which is about 112mm long.  I intend to build a RepRap
>> printer, which I believe has a bigger build platform, so I could probably
>> make something as long as a FDC or an RS-232 Pak with that.  Given that I
>> have printed a case for my Raspberry Pi, I might just be able to fit one in
>> a housing printed on the Makerbot, but there probably wouldn't be room for
>> a whole lot else.
>>
>> Next I just need to design cutouts for various connectors and whatnot.
>>   Then the housing could be customized for a wide variety of applications.
>>
>> If you're working on a project involving the CoCo's cartridge connector,
>> what would you like to see in a 3D printed housing?
>>
>> JCE
>>
>>
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>>
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