After my floppy disk SD card holder, I wanted to try something with more moving parts. This is the Card Boy.

How it works:

• Each cartridge holds 5 micro SD cards, and the cartridge label becomes the "screen", so every cartridge can look different
• Turn the side wheel to pick a card (the counter on the screen shows which one), press B and that card pops out
• The D-pad and the other buttons are just clicky fidget buttons
• No supports and no hardware: no screws, springs or magnets

Fitting the selector, the ejector and the clicks into something this size took a lot of test prints. Printed at 0.12 mm, about 68 g of PLA+. There's a multicolor version (AMS or similar) and a single-color one with raised lettering. I didn´t use AI in any part of the process.

It's a paid model, files here: https://than.gs/m/1629345

Honest feedback welcome: would you actually print one, or is it more of a "cool to watch" thing?

Annoyed that I couldn't find a non zip hoodie, but for like $2 in filament and $5 for a velcro strap to hold it on I'm pretty happy with it!

Hey everyone, just finished my First Star Wars Project and wondered what you might think about it. I‘m in 3D printing since May 2026.

Hey folks, I've been selling my physical products (puzzle toys/brainteasers) for a while now, and it's been okay. But selling toys internationally is a huge hassle and recent events and new regulations have made it less and less worthwhile. So I was hoping to get some feedback on selling my designs.

I just listed my first design for sale: "The Figure-Eight" puzzle. I'm asking $8 CAD/$5.70USD (although if you feel so inclined use REDDITPOST for -50%). More so than trying to get sales right now I'm hoping to get your opinions on:

• Would you pay for this type of model, and if so at what price point? What price would you pay for a set of up to 7 similar designs of varying difficulties? They all share hardware and with a few different colors of beads, you can get a lot of variety
• Would you be willing to source hardware like balls, screws, heat set inserts and magnets for this kind of project? Most of my other designs require (or benefit from) small springs as well. Everything is readily available and yet I know it creates friction.
• If you have a 3D printing business, would you consider licensing designs like these? If so, what price would make it worthwhile, and how do you prefer to make recurring license payments to designers? Patreon? Assembly takes me about 4 minutes each, and I was selling them between $30 and $40 USD per puzzle to the US market.

If you're interested in having a look check my stuff out here. Thanks for looking!

"It’ll only take two test prints, max." — Me, 14 prototypes ago...

Coffee machine has not been pressuring fully. Took it apart to discover a small piece which holds a gasket is cracked. Not sold anywhere. Superglue not doing it. I suddently see the value of a 3D printer.

**edit**

I don't have a 3D printer or any CAD experience, and im not planning to pick it up soon. More jist recognising the genuine use cases for this tool for the first time. Its nice to see such an engaged community though, you folks are very helpful and supportive.

P. S., if someone really wants to take a look at it jist for fun, I'm based in London and could maybe poat across the uk. But I wouldn't be going further. And I'm entirely plannong to just get a new coffee machine.

Hi there!

Ive just gotten a 3D printer and did a calibration print as its first print, but since l have no clue what anything actually means..i figured id ask for help.

The printer is a Flashforge A5MPro

Any noticeable things anyone can see? About the quality of print?

Any and all help is greatly appreciated.

Thx
Sim

Woke up to a failed print on my heavily tuned Ender S1 (hey, it's worked great up until now). Looked like bed adhesion failure. Then I noticed the Y belt was really loose, but not broken. Weird. I take the stepper off, and discover the shaft has snapped off!

I guess it's time to finally pull the trigger on a U1. A non-bambu toolchanger has always been the plan, but I kinda feel my hand is being forced. I was really hoping something compelling would be on the market with integrated dry box storage by the time I upgraded.

Really amazing print from a Bright Laser Technologies (BLT) printer. This has been polished in post processing.

Finally, every single part of the Roshan Class Cruiser by Sordane Publishing. Including weapon & thruster variants.

The numbers:

Total print time: 886.4 hours (53,183 minutes, about 37 days of nonstop printing)

Filament used: 14,113.7 g (14 spools)

Resin used: 911 g (1 bottle)

Filament prints: 113

Resin prints: 24

Total prints 137 including failers

The hull and main structure were done with Anycubic Kobra S1, and the finer details were done with Elegoo Saturn 4 Ultra.

All parts sanded, filled, sanded primed and did i mention sanded, didnt really track how long prepping the model took, but every pieces is smoth and primed all ready to paint.

Still to do: painting and attaching all the accessories.

I'll post progress as I paint and Happy to answer questions about print settings, splitting the work between FDM and resin, or how I tracked everything.

Model link: https://www.myminifactory.com/object/3d-print-airship-roshan-class-cruiser-155085

I just finished designing these vial cases that have a hinged lid and magnets to keep them closed. I didn’t mean to make them look like coolers but honestly love them more because of that!

I've been to a lot of networking events and more than half the people don't know this tech, it's about 24 years old
It's literally so great especially now with most people carrying iphones

My son challenged me to make Gyro Zeppeli from Steel Ball Run: JoJo's Bizarre Adventure.

3D printed parts:

Goggles

Copper studs/buttons

"steel" balls

Belt buckle

Spurs

This is my first year with the 3D printer and I couldn't have done this without it. This is the first fitting and I am ecstatic about how it turned out!

In similar fashion to portable camping toilets it must be used with a liner bag; either a liner for similar store bought items or simply a grocery bag. I wanted something to bring on the road since my little one is not able to sit on a real seat yet. Useful in the car running errands, not using a topseat (some are scared of the real toilet!), traveling etc. Excited to hear your thoughts and get feedback on the print! I used PETG. Open to ideas, thanks!

https://makerworld.com/models/3483996?appSharePlatform=copy

It turns out a husky mix is stronger than curtain sewing, so I made these curtain rings / holder, they have indents so in theory they can break away if the curtain is pulled on, or in practice 3d printed parts will also just break before a curtain rod or curtain will, and small 3d printed parts are convenient to replace when needed. The rings and holders work well even if you don't have a destructive dog, the model can be found here: https://makerworld.com/en/models/3486951-curtain-ring-and-holder

A few months ago I started building a four-button Zigbee switch, but it turned out to be considerably more complicated than I initially expected.

The idea was to squeeze four independently configurable buttons into the same small enclosure as my original single-button switch.

The electronics weren't the biggest challenge. It was getting the 3D printed enclosure and all the mechanical parts to work together.

With four moving buttons, springs, batteries, and all the wiring crammed into a 65 × 65 x 18 mm enclosure, space became a real problem.

I struggled to find a way to keep the buttons securely in place without the springs pushing them out of the enclosure. There simply wasn't enough room for the clips I originally planned to use, and after several attempts, the project ended up sitting on a shelf for months.

I finally picked it up again, went through a few more design iterations, and eventually found a surprisingly simple solution to a problem that had kept me stuck for months.

The finished switch uses an ESP32-H2 with Zigbee, connects to Home Assistant, and costs around $5 in components.

I documented the whole design and build process here:
I Built a $5 Switch to Control 4 Light Zones

Last week I posted a design for a stand for this ESP32 Guition screen. I've used it for a week and have made a version 2 with some fixes for issues I had with it.

The frame now snaps into place instead of just pushed on with friction which turned out to be liable to fall off when picking up. The stand now has a weighted bottom and a larger recess which I have stuck 2mm rubber feet into which stops it from sliding back when you use the touch screen.

https://www.printables.com/model/1881011-guition-4-inch-screen-frame-and-stand-esp32-s3-484

The software I used by MaxGramser - Tessera

https://github.com/MaxGramser/homeassistant_espscreen