So, I had all the parts and I just needed to click them together. The PCB slots in the front of the case, where a few clips hold it in. The usb-to-serial converter, used as an upload mechanism and a power supply, slot into the back bit and is also held by a few clips. I forgot to make something to hold the speaker in, but some superglue can easily affix it inside the case. Finally, the mouse is connected using a bundle of thin wires. (And yes, they kind-of clash with the color scheme... as soon as I find a nicer, thin multi-core cable I'll replace it with that.)

Now, when designing things on a computer in order to have them materialize in full later on, like what happens when you finally receive those PCBs from the factory or when your 3d-printer finishes printing that design you worked for weeks on, is the scale of the thing. Obviously, I knew that all sizes would be 1/6th of a real Mac, but only when everything was put together and I saw the thing in real life, the implications of this showed. The Mac truly is tiny!

And even with its minute size and lack of a keyboard, it does run most of the things the Mac is well-known for. Here is a demonstration. The first 20 seconds are the memory test, and I know from experience the test lasting this long is not a bug: it took our original Mac Plus that long to boot as well after we upgraded it.

So, what good is this Mac Plus in the end? Admittently, while I had a blast making it, without a keyboard it can't really serve a real purpose. Also, it has no connectivity to speak of: I planned to make it do AppleTalk over WiFi, but I failed because of some weirdnesses I couldn't emulate right in the serial controller chip of the original Mac. Still, with the project finished in the state it is, I can finally live my lifelong dream to have a Mac on my desk displaying the original After Dark flying toasters:

As always, this project is open-source, and the PCB artwork as well as the case design and the firmware are up on Github. Everything is licensed under the Beer-Ware license so you can mostly do with it what you want. If you ever use it in something, I'd really appreciate a note, however.

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Mrmajik45 wrote at 6 Feb 2018, 18.08:

A little Macintosh plus. Impressive that it is actually that small.

Dillon wrote at 5 Feb 2018, 16.49:

Sweet project. Steve has been doing work on cloning the Apple disk drive. Doesn't look like you need it for your project, but you may be interested in how it works https://www.bigmessowires.com/2018/01/31/yellowstone-cloning-the-apple-ii-liron/

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