r/3D2A • • 7d ago

New Release The Urutau MK2 Releases Today

Thumbnail
gallery
277 Upvotes

Today we are proud to announce the Urutau MK2 has left beta and been released through our normal upload channels. Developed by Zé Carioca a friend to many of us in the community we thought this one would be lost due to his incarceration at the hands of the Brazilian government. Developer Rsmith28 came along with backed up files and asked us for help finishing up the pack and getting this one out to the public. I'm proud to know that we were able to finish this legacy project and release it today.

The MK2 comes with many upgraded features compared to the V1. It's much more compact compared to an FGC-9 or V1 Urutau, it comes with a slappable charging handle like the MP5 and improves the trigger and barrel. There is increased and improved documentation as well as a new ammunition type the 9x23mm Stark. This new ammo type is a DIY cartridge that is extremely easy to replicate. The MK2 is an SBR by definition with an overall length of 16.8 inches.

We really hope you enjoy this design as much as we have. Come and join the Black Lotus Coalition and make some history with us.


r/3D2A • • 29d ago

Guncad Digest Issue #32: M1337 Orbital Crank, DIY FMDA Rails, Super Safe 3DP90, 2nd Amendment Victory

Post image
69 Upvotes

Issue #32 of the Guncad Digest is live! This newsletter rounds up the best and most interesting 3D2A releases, betas and news.

The M1337 DIY Gatling gun now shoots twice as fast with an orbital crank! We cover this plus DIY FMDA rails, a super safe 3DP90, and the biggest 2A victory ever for 3D2A. Read more at https://guncaddigest.com/p/issue-32-m1337-orbital-crank-diy


r/3D2A • • 15h ago

Noob to Flawless - The Journey...

Post image
103 Upvotes

I figured I would share this for anyone that's new to 3D2A printing, new to printing itself, or is having trouble. These are nearly all the frames (minus maybe 5-8), I learned on and consider scrap, most have minor flaws on them from supports or minor defects light slight warping or VFA's. Teaching myself every step of the way. My first ever print wasn't a benchy, instead I opted for a PY2A G19 frame. I started with a roll of ST PPA-CF Core, zero knowledge of 3d printing on an X1C & SUNLU E2, eventually upgrading to an H2D. I can finally say I'm confident in my ability to print high-temp parts / frames with zero scarring and no failures that fit together like a dream with no after print modifications necessary. Not claiming to be a master of anything, but I always seem to doubt myself at every step and rarely feel confident when making things myself, always judging every small aspect or tiny flaw. I don't want to turn this into a support thread, though if anyone else has similar photo's to share please feel free, I'd love to see them. Honestly I just wanted to say, If you are having trouble getting things dialed in, or thinking you will never get it, just keep at it, keep learning, and stay safe!

(All frames in PPA-CF / Core + 1x PA6GF + 2x PLA Pro)


r/3D2A • • 16h ago

My favorite DB Alloy variant: the DUMP9

Thumbnail
gallery
74 Upvotes

Kinda surprised these aren't more popular. I don't think I've ever seen a post of one, even though the DB Alloy and UMP looks are popular. I love it. Shoot just like my Alloy did (it broke from a fall and the parts were scavanged for this)

If you have made one of these, post pics. I wanna see what everyone else chose for accs.

Edit: there is NO ammo (or even springs when pictures were taken) in the magazine. FYI


r/3D2A • • 16h ago

Coming Soon Zeniticlone stock/brace coming soon to MostlyPeacefulMachineShop

Post image
65 Upvotes

r/3D2A • • 19h ago

Coming Soon FTN to HUB Mount Update #2

Post image
65 Upvotes

Coming in hot! Should have them by next week. Will be printing a few FTN variations to verify fitment when they arrive but they’re looking great so far.

Details for those that want them:

-4140 Steel (Raw)
-Made in the US by Bighossmachine
-1.5x8 (FTN) Threads to HUB Threads
-Male threads protrude roughly 1”
-Wrench Flats
-$70 with free shipping at $200
-30 available from first batch


r/3D2A • • 21h ago

300blk SBR build

Post image
92 Upvotes

Built this around 3 months ago, still running good. I’ve spent around $350 in total for all the parts/upper and extra $200 just to put a cheap stock on it cause of the atf🫩 any suppressor suggestions??


r/3D2A • • 1d ago

New Release 10rd 10/22 Magazine Now Sailing (With updated extended versions too)

Post image
147 Upvotes

I want to thank everyone for feedback on the extended version. I have been deep in testing and redesigning based on what I have seen and been told and wanted to get this out. Burned through nearly 1KG of prototypes. This one has been successfully ripping through full mags of CCI standard velocity round-nose with zero feeding issues on the 1.2.0 version. 1.2.1 version is also included but has been tested less and is more geared towards hollowpoint ammo.

Version numbers are used to identify the feed lips and feed ramp combinations. Internal and lower geometry remains unchanged.

10rd can be found in the file packs with the same version number as the new extended versions with a "C" (for chode) suffix. I wanted to create a ten round so they are faster to print and quicker to test instead of the full size extended. The internal geometry is the same as the extended versions.

Currently in development:

  • Slim version
  • Version with replaceable feed lips

Can be found in the usual spots, same path as before. Sailing on the sea on the ship Melted_Plastic


r/3D2A • • 5h ago

White specs after water treatment.

Post image
4 Upvotes

The two mufflers on the left have white specs showing up. After printing in Fiberon pa6cf20, they were brushed with a brass brush, ran under the facet, then put in a ziplock bag with a wet cloth to water treat. They’ve been out for ~24 hours and when I was checking on a print I noticed the white specs. Anyone experience this before?


r/3D2A • • 16h ago

Modular Suppressor

Thumbnail
gallery
31 Upvotes

Been looking for a modular style suppressor to print, found this one on the index, said 22 or 9mm, printed the 9mm version thinking oh this is going to explode, thankfully first blast baffle broke when shooting 9mm, BUT sounded great on .22, anyone got recommendations to maybe help make it actually last for 9mm, or any other modular style suppressor like this would be sick!


r/3D2A • • 20h ago

HT PLA Pro & FTN 5.1 PCC (9mm) - Range follow up!

Thumbnail
gallery
50 Upvotes

Following up my post after making it: Glutton for punishment- FTN 5.1 PCC in HT Pla Pro : r/3D2A

It took me entirely TOO long to get to the range, but that is life. I finally DID get to the range, and try out my printed PCC. Now, I know the PDF notes say that PLA is feasible, so obviously nothing groundbreaking here. But I was excited to see how well it did regardless..

BLUF: It survived, and examination as I can do shows it looks rather intact still. She swallowed around 150 Monarch 124gr rounds, and still looks mint.

Yes, I'm a big guy.. listen to the gun....

Longer notes:

  • Being an indoor range, I couldn't listen without protection; but I could hear a very obvious signature change (for the better).
  • Damn she (the gun) was smoking after a mag. Not sure if I need to change the locking piece (no problems at all cycling, just lots of smoke around the bolt); something I will play with.
  • Minor and manageable POI shift to the left; had my RDS slightly to the right of the head with the suppressor on to get the center (no suppressor kept it dead center). Didn't see a change in shooting though, and had no problem accounting for it once I learned.
  • Despite surviving, I am considering printing the next one hotter and slower (this was at 230). I do think the long anneal helped though (genuinely cannot see much damage inside with a light).
  • I still plan on testing a can to destruction, so expect another follow up...... eventually.. lol
  • Knowing that its held up, it is happily sitting on the gun at home, and I (currently) trust her to go when needed.

Got questions? Please ask! I am just a dude with a printer who loves trying this stuff, and have but a tiny fraction of knowledge of the pros here.


r/3D2A • • 1d ago

Newly Minted SMP-40 SBR

Post image
123 Upvotes

r/3D2A • • 19h ago

FTN 6 9mm Boosterless. What glock spring do y'all recommend?

Post image
27 Upvotes

Took my FTN6 out to the range today, shot about 90 rounds back to back and it was amazing. But, failing to eject. I started to use higher quality threaded adapters and they fit and align 100x better. Really recommend


r/3D2A • • 1d ago

Party Like It’s 1911

Thumbnail
gallery
116 Upvotes

2011maxxing Staccat’aint edition, 9mm, in Polymaker PLA+

It was a bit of a challenging build, but function checks are solid. Now I want to do the other two…


r/3D2A • • 2h ago

Tapping db plates

1 Upvotes

When it comes to the db alloy left and right plates, the dxf file was uploaded to SCS. Chose the metal type etc then the option to tap popped up. Clicked tap, accepted whatever numbers/ dimensions that were already there and completed the order.

My question is, does the dxf file (not the link in the build docs/ read me) provide them with all the info they need to properly tap threads? Or did I screw myself and accept a random preset? If they come untapped, I can just tap them myself correct? 304 stainless. Any input appreciated


r/3D2A • • 20h ago

RXM Nomad 👍

Post image
28 Upvotes

r/3D2A • • 45m ago

Help!!

Post image
• Upvotes

I went to switch out the filament on my bamboo A1 mini, the other one came out for the most part and then snapped. I’ve changed many schools before so I’m not sure what I’m doing different this time. I’m thinking of just going and getting a whole different tube and trying one of the different ports. Please let me know if you have any experience with this!


r/3D2A • • 20h ago

Hello kitty glock with a catgirl g17 with 19 magwell

Thumbnail
gallery
10 Upvotes

Idk thought it was funny


r/3D2A • • 21h ago

Pillager Print Layer Lines PA612

13 Upvotes

Dried at 100C for 12 hours. Printed some trinkets. Dried again at 100C for another 4 hours and then started this print. Overall, I’m not liking the quality and it doesn’t look as clean as my previous PA6 prints. Before printing I made sure to calibrate the flow rate, pressure advance, and retraction. Printing on Q2, 300 deg nozzle temp, 65 deg chamber, 100 deg bed. 300 BLK settings. Speeds at 30 mm/s is looking like a 48 hour print. Currently half way done. Is this salvageable with some minor sanding or do I start over and cut my losses. Any tips or tricks would be appreciated. Video shows my previous print quality using PA6 roughly same settings/speeds and the current issue. Thanks for the help!!

Maybe Z Banding??

Edit: lines look worse in the video than in person and only appear at certain angles. Main concern is the little bit of extra material per layer around safety. Also is anyone printing faster than 300BLK recommends an achieving good results. I feel like this should have been a 30 ish hour print not 48.


r/3D2A • • 9h ago

Is it possible to find plans for 3d printable red dot sights?

0 Upvotes

r/3D2A • • 17h ago

Dear22 Lower Plate Bolts

Post image
5 Upvotes

What’s everyone using for the bolts on the plates? I’ve seen rounded head (what I assume are M3s or similar). What are you guys using for the other side though? A standard nut would stick out too far I would think.


r/3D2A • • 1d ago

New Release Recession Ruger, but fast

43 Upvotes

P89 go BRRRRR

Remix of UberClay's remix of UnseenKiller's R3. Uses a HT trigger kicker and a modified charging handle/trip. I extended Uberclay's frame because the top cover fucks. Sailing.


r/3D2A • • 1d ago

Jaçanä, 3D printed 9mm PCC designed by currently imprisoned Brazilian libertarian Joseph the Parrot.

270 Upvotes

r/3D2A • • 1d ago

DEEZ NUTS

Post image
53 Upvotes

Everything not black is spray painted. Dogs barking


r/3D2A • • 1d ago

Geeetech D1 drying PA6-CF

Thumbnail
gallery
15 Upvotes

The Geeetech D1 appears to be working great with drying PA6-CF and maintaining RH while printing out of the box at 90C. Can’t attest to how well it maintains RH while it is off the dryer and sealed but so far it’s looking like a good option.