[sdiy] Roland M-16C Memory Cartridge

[Jack Jackson]

Why couldn't one just 3D print the case rather than injection mold it? I understan the screw holes might be difficult, but one could omit them.
It doesn't look so complicated.

Cheers,
Jack
________________________________
> Date: Mon, 2 Dec 2013 14:46:01 +0100 
> Subject: Re: [sdiy] Roland M-16C Memory Cartridge 
> From: cheater00 at gmail.com 
> To: jackdamery at hotmail.co.uk 
> CC: synth-diy at dropmix.xs4all.nl 
> 
> 
> On 2 Dec 2013 14:35, "Jack Jackson" 
> <jackdamery at hotmail.co.uk<mailto:jackdamery at hotmail.co.uk>> wrote: 
>> 
>> I think so, this bro upgraded one from 16 to 64 by swapping out the IC 
>> http://wolzow.mindworks.ee/analog/jx-10-m-16c.htm 
>> 
>> You want to have gold edged right, so it doesn't wear off easily and 
> maintains good conduction? 
>> 
>> The edge connector is just an engineering problem, but I don't think 
> it's one that's unsolvable. One could 3D print the case. I guess the 
> cost would be ~£10 each. 
>> 
>> If this something people on this list would be interested in, how 
> about collaborating to solve the remaining problems and do a small run 
> of them? 
>> 
>> Cheers, 
>> Jack 
> 
> For the edge connector you're better off making a mold and using 
> pour-in plastic (there was a thread a year or two ago on making plastic 
> keys). Or taking abs stock and milling it. But first of all make sure a 
> normal pcb won't do. Gold plating is just a distraction for now. 
> 
> The case needs to be injection molded. I'm sure something can be found 
> but you can't make it yourself. Maybe someone stocks cartridge cases, 
> or maybe a D-Sub type plug case could fit. 
> 
> Cheers, 
> D.