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#21
Member Projects / Re: Custom Raspberry Pi 500, R...
Last post by granz - Sep 13, 2026, 08:07 PM
That looks like it will take a while to print. There are 10 .STL files there, can you group them together to print multiple items at the same time?

Why the Amiga 3000? Did you have one of those when you were younger? It looks kind of cool, but I never had, nor had access to, any of the Amiga systems. It looks like it would work pretty well if you run an Amiga emulator on it.
#22
Member Projects / Re: Custom Raspberry Pi 500, R...
Last post by JKnightandKARR - Sep 13, 2026, 06:49 PM
https://www.printables.com/model/1125951-amiga-3000-case-for-raspberry-pi-5/files
Ok, got my case for my Raspberry Pi 5, a case that looks like an Amiga 3000 system.
#23
Hardware & Mechanical / Re: Evolution of Enclosures
Last post by granz - Sep 13, 2026, 04:24 PM
Nice. These 3-D printers are incredible in what they can do. I'm still in the "modify an existing design" stage. I have designed one item (that keychain thing) but want to do more like what you are doing.
#24
General Discussion / Re: Day of the Programmer
Last post by granz - Sep 13, 2026, 04:19 PM
Okay, thanks.
#25
Hardware & Mechanical / Evolution of Enclosures
Last post by Chris Savage - Sep 13, 2026, 02:55 PM
How I create enclosures these days is a bit of a mixed bag in that, I still do it the ways I used to, but am evolving to newer technology as well.



Back in the day I would buy a pre-fab enclosure suitable for my application. Then I would have to drill pilot holes for the various LEDs, buttons, switches, displays, keypads, etc.





Next, I would cut out the holes and debur them.





Next, I would clean the panels and add rub-on lettering, followed by clear-coat acrylic to seal everything.





Then, the various panel devices were installed.





In the case of some parts, such as the keypad and LCD, the mounting screws were visible outside the panels.





In this photo, you can see the bottom part of the enclosure with a piece of double-sided copper-clad board sitting on it. This is because, as you can see in the photo, there are mounting posts molded into the bottom of the enclosure. I would have to create my PCBs to conform to these existing mounting posts by putting the holes in the PCB and making sure they lined up with those mounting posts and that the board fit in the enclosure properly.



Eventually, I got a laser cutter with the purpose of cutting out my own custom enclosures and parts, as well as etching legends into the parts.



These panels, custom made at Parallax when I worked there, are a perfect example. This is one of the three (3) door project enclosures, using multiple layers to realize the front, rear and internal moving parts. This utilized cutouts and engraving.





This one is the original prototype door project.



I'm only just now getting to where I am 3D printing parts / enclosures. Since I frequently use LCDs in my projects, I started by 3D printing a panel designed to hold the display.

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I designed this in FreeCAD, then printed it. Looks good!



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The next step was to mount the LCD to the panel.



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Here's what it looks like from the front. Obviously, this is just the bezel section, but next I am going to expand this into the entire front panel, along with the holes for buttons and LEDs. Then I will create a rear panel, and finally, the enclosure itself, all 3D printed.
#26
General Discussion / Re: Day of the Programmer
Last post by Chris Savage - Sep 13, 2026, 12:05 PM
Quote from: granz on Sep 13, 2026, 06:29 AMI remember asking this before, but cannot find it now: why is today the "Day of the Programmer"?

Every time I post a geek holiday, the banner on Savage///Circuits has that banner up. If you click the banner, it takes you to the page regarding that holiday. This is for every holiday banner on the main website.
#27
General Discussion / Re: Day of the Programmer
Last post by granz - Sep 13, 2026, 06:29 AM
I remember asking this before, but cannot find it now: why is today the "Day of the Programmer"?

Nevermind, I found it (agian): https://en.wikipedia.org/wiki/Programmer%27s_Day
#28
Single Board Computers / Re: Z80 Emulation Using the RP...
Last post by granz - Sep 13, 2026, 06:11 AM
Yes, that "case" looks very nice. I really like the looks of the thing, but I would probably design a full case - better protection for the circuitry.

Unfortunately, Christopher designed that specific one for the proto-board that he found. It should not be difficult to design one around whatever board that you have, but his will probably not work as is.
#29
General Discussion / Re: Day of the Programmer
Last post by Chris Savage - Sep 13, 2026, 01:05 AM
It's that time again. Day of the Programmer (Geek Holiday).
#30
I will take a better look at this tomorrow. I've had a very busy day with website stuff, yard work, etc. But you definitely have my attention. One of the reasons I got the 3D Printers was to be able to make custom enclosures and parts for my own controller designs. I wanted to be able to easily create the mounting holes and cutouts for ports.
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