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#3dprinting

54 posts47 participants0 posts today
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Yvan

#MakersHour A2:

I expect I won't be the only person here to say: #3DPrinting

It's pretty revolutionary being able to turn out small custom parts for all sorts of things.

Also an honourable mention to modern #microcontroller platforms and tool-chains. The fact you can just grab something like an ESP32 module for a couple of quid and rapidly have custom code hooked up with sensors, relays, etc and wifi connected is pretty amazing.

@MakersHour@cupoftea.social @makershour@a.gup.pe

Public
Kyle Davis

Weird #3dPrinting question I've been thinking about.

Would the left side print faster? (Assume that both discs in the photo below are the same diameter and height.)

My assumption is that it would. The print head could accelerate during the chunky segments but the right side would be constantly changing directions, so no acceleration.

If it would be measurably faster, I'm not sure. I need to do some testing, but it's interesting to go against years of optimization in the other direction.

Public
Wolkensteine

I've printed an angle to fit onto a cardboard tube for redirecting light. This I want to use to create a rotating light effect for my printed #lighthouse Sooner or later I will mount it inside the lighthouse and attach a motor to it for letting it rotate.
In the images, you can see what happens if you put a small torch under it. The reflection is really quite strong.
For the reflectiveness I am using aluminium foil wrapped around the printed angle, which, as one can see, works quite well. I did not expect that.

A 3D printed angle wrapped in aluminium foil, illuminated by a lamp from below through a cardboard tube.
A second angle of the described scene (see the other pictures description), but now the focus lays on the reflection of the light coming from below hitting a wall. The reflection is quite strong.
A 3D-printed light house in red and white, with post-its attached to it as decoration. On the post it one can see on the picture there is a small drawn graphic of a retro computer.
#DIY#3DPrinting
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Hiro

I can't get over how good this looks...

This beautiful 3D printed M4 Mac Mini case uses a 9.7" iPad panel for its display. It features the signatures of the original Mac Team embossed on the bottom. The designer, @jerrod also has a version that works as a display stand for the @trmnl e-ink smart display.

You can check out more of Jerrod's designs and support his work over on Makerworld--
makerworld.com/en/@Jerrodh

A cozy living room scene featuring a vintage beige Macintosh computer on a wooden side table. Adjacent to the computer is a decorative table lamp with a marble base and beige shade, casting a warm light. A small blue smart speaker is also on the table. In the foreground, a brown sofa is partially visible with blue patterned cushions. Cream and yellow curtains hang from a nearby window.
A vintage computer with a retro design, featuring a beige, boxy frame and a large black screen. The front includes a floppy disk drive slot and a small colorful logo on the lower left corner. The computer is angled slightly to the right, with visible ventilation slits on the base.
A vintage computer with a retro design, featuring a beige, boxy frame and a large black screen. The front includes a floppy disk drive slot and a small colorful logo on the lower left corner. Viewed from the side.
A vintage computer with a retro design, featuring a beige, boxy frame and a large black screen. The front includes a floppy disk drive slot and a small colorful logo on the lower left corner. Viewed from behind.
#3dprinting#macOS#retrocomputing
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Ari [APz] Sovijärvi

The Who Dunnit #pinball machine slot machine reel project appears to be a success. This part seems to be difficult to find around here and even when repros are available in the US, these cost over $100 to import here, which I find a bit steep for a plastic piece this simple, so I made my own.

I'll release a video soon about the whole project and how the finished product looks installed in the game.

The model is now available here for #3dprinting:

thingiverse.com/thing:6976697

ThingiverseWho Dunnit slot machine reel (03-9410 compatible) by apzpinsWho Dunnit pinball machine's slot reel. This is exact fit for the original with completely original support and mounting part.Two versions are included, single piece and two piece.Single piece is intended to be printed with the hub part of the reel pointing downwards and support around it. This is the recommended version.Two piece version does not need support at all, but you have to glue the center to the reel. Super glue seems to work fine, use enough so it won't break apart. This version differs from the single piece only in one place, the spot where the hub is inserted to the reel body. The hole in the center is 0.4mm larger than the hub piece to make it easier to assemble. Naturally this has to be printed out of transparent filament. Formfutura's HDglass clear PETG worked the best for me, I'm curious to see what other filaments work. It does not need to be glass-like, but parts of the decal are transparent and the lamp is expected to shine through them. 0.4mm nozzle seems optimal for the transparent material. Make sure the slicer considers the outer ring a single nozzle width area.This needs a metal threaded insert in the hub, the hole is for 4mm insert and it can be up to 10mm tall, so you can use almost any type of insert.The decal can be peeled off the original usually intact with enough glue residue to keep it on the print. I'd recommend a small piece of transparent tape at the end.Then mounting this, be sure to spin it by hand once to see it runs freely and does not touch the opto switch, adjust the position on the stepper motor axle as needed.There's no need to worry about the temperatures inside the game, the lamp inside the reel is rarely on and is far enough not to heat the plastic.
#repair
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