MK18 and G80 Receivers
April 30, 2025
REBEL-9, RXM, and VanDerStok
March 31, 2025
ImmortalRevolt delivers the next stage in the FGC-9 series with his REBEL-9, which is a mostly printed semi-automatic PCC that uses zero firearms parts except for its magazine spring. The REBEL-9 is d...
Reference Models and Black History
February 28, 2025
A long newsletter for a short February, which saw a return to the bread and butter of DIY Defense: Accessories.CadDesignSolutions has released some fairly simple, yet obviously necessary, projects sta...
The P90BLK and PLAR
January 31, 2025
New Year, new DEFCAD newsletter! A ton of great projects have been published in just the past month, so lets get right to it. The P90BLK by shadowhunter55 is a successor to the 3DP90 and arrived with...
DEFCAD New Year
December 31, 2024
In 3D2A, 2024 was the year that ended with a bang. It was a year of reversals of fortune, which saw a new design group become the most productive and downloaded. For our year-end releases, we feature...
FOSSDOT and The Decker .380
November 29, 2024
Welcome to the November issue of the DEFCAD Newsletter. Strap in for new project announcements, and feel free to download. We start with one of the few true experiments in DIY Defense: a completely DI...
Unseenkiller's UFG9 & The Starlost
October 31, 2024
For the Halloween issue of the DEFCAD newsletter, we honor the sacred dead and celebrate spooks like the Unseen Killer, who's now become the most prolific designer in 3D2A. We hail his ghostly MAC-11...
The Open Boomer and Mega Pistol
September 29, 2024
The DEFCAD newsletter begins with notable releases in the world of DIY Defense, and this month's most notable would have to be the Open Boomer by JRoux1793. Rescued from the now defunct and deleted OK...
The Urutau and MK10
August 31, 2024
It's finally here: The Urutau. Designed, tested, and released by Ze Carioca, the golden line of DIY PCCs continues. The long-awaited Urutau is a 9mm Bullpup Carbine sporting an entirely custom fire......
The Nutty-9
July 31, 2024
Did you think we'd forget you? DEFCAD's July releases start with The Nutty-9 from BLC. TooAceForThisShit and Joe_Dirt started...
Carbon Alloy Mac Upper + Killdozer
June 06, 2024
As a salute to Marvin Heemeyer, DEFCAD presents the Killdozer Keychain by Stubbs. The SPLC recently named us a "general anti-government" organization, so in the spirit of whatever that means we solici...
The Plastikov v4 and Back Flag White Paper
May 23, 2024
The Plastikov v4 is now on DEFCAD. The Plastikov v4 documentation and images are also available. This file release, which I'm told is related to the AKM, is a landmark moment in the history of guncad...
MAC-11 and The Leaderboard
April 25, 2024
Some of the most important files in 3D2A are reference models, yet reliable drawings can be hard to come by. User ThoughtsAndPrayers provides us with a complete MAC-11/9 Upper Receiver Assembly CAD wh...
Suppressors: FTN.3 Updates & Void3D Chuckles Series
April 03, 2024
In this newsletter we cover the latest in printed suppressors, including the FTN.3 and Void3D Chuckles series, as well as a DIY drone....
GunCAD and Value: Survivor Therapy
March 02, 2024
Last night I joined Garret on YouTube to answer questions concerning DEFCAD in support of victims of domestic FOSS. One of the questions we take up is: Why does DEFCAD require a membership even thoug...
Living with DEFCAD: Resources for Survivors
February 24, 2024
Have you or a loved one been brutally open sourced? Exposure to FOSS carries severe risks, and you may be entitled to compensation. But you don't have to let the trauma and confusion control your life...
PMAC Remix and the SL-15
February 22, 2024
Welcome to the February issue of the DEFCAD newsletter. This month we highlight Professor Parabellum's DIY .410 / 45LC Shot Pistol, which is not only fully modeled, but designed explicitly for home ma...
Interview with Dr. PC of The Gatalog, Feb. 11, 2024
February 21, 2024
The following is a transcript of a telephone interview with “Dr. PC”, a longtime member of The Gatalog. The interview was conducted Sunday, February 11th by the editors of DEFCAD. The transcript has b...
UPC and Mr. Fusion
January 28, 2024
The past few months in DIY Defense have seen more than a dozen new beta projects. Who can watch all the work happening at once? DEFCAD has the report. Black Cat Aircraft & Manufacturing is known for...
OK Boomer for Christmas!
December 22, 2023
It's Christmas time at DEFCAD! We're pleased to begin by sharing Laff's Dynamics recent Christmas series of Tree Ornaments; handguns in all your favorite patterns: G17, G26, M9-A1, and the Chiefs Spec...
SF5 and "El Ratto"sf5-and-el-ratto
December 07, 2023
Welcome to DEFCAD: Home of the Gatalog. This week we've seen the upload of the SF5: a 3D printable MP5 receiver set from @navigoboom. The SF5 is compatible with OEM HK parts, PTR parts, RCM parts, an...
V2 Magnum and 9mm Deep
November 25, 2023
Today we present a Black Friday edition of the DEFCAD Newsletter. Signups this weekend get 10% off annual subscription access to the full DEFCAD repository. Black Lotus Coalition starts us off this w...
Beach Pigeon and Optic Cut Library
November 18, 2023
DEFCAD is back at it with plenty of releases this week. The most talked about release has been The Beach Pigeon (22lr Desert Eagle) by eZaF. This project ocombines an economy of materials (for a relia...
Poon and FTN.2
November 11, 2023
Are We Cool Yet? has been very prolific lately given the fresh release of the Scarab 2.0 and now with their big foray into non-firearm defense projects: The Poon! The gigantic rubber band powered acti...
Bullpups and Scarab Deux
October 21, 2023
DEFCAD offers the only legal means for accessing 3D firearms technical data on the Internet. This data is distributed as free and open-source software (FOSS) not just as a way of opposing the modern s...
The NylAug and the Plastic Power
October 15, 2023
DEFAD is back at it! This week we've got incredible projects ranging the full gamut of DIY Defense. Right out of the gate we have the Nylaug from Because2A and friends, which is a full receiver and ha...
Freeman's Folly and the Romulan Charger
October 07, 2023
We welcome you to another exciting week at DEFCAD! Our new releases range the whole gamut of calibers and applications. A fun, recent development has been the advent of 3D printed ammo containers. You...
GatGPT and the G22V4
September 23, 2023
Defense Distributed, in releasing GatGPT, declares a Digital Second Amendment. Americans must have access to compute, databases, and AI models, the newest weapons of the digital age, not just to defen...
New Reference Models
September 16, 2023
Here at DEFCAD we spend most of our attention on the latest printable project file drops, but developers need a significant amount of other data in order to produce those files in the first place. Mos...
The New Tech 22
August 31, 2023
DEFCAD has always been a host for hybrid firearm designs. These designs are a solution to problems faced by traditionally manufactured firearms and primarily 3D printed firearms: cost and strength res...
Grizzly XL
August 24, 2023
The long anticipated Sudy 23/52 from Black Lotus Coalition ( likestoshootstuff in particular) has finally been released! This is a receiver pack for the PPS-43 platform that is compatible with either...
Super Safety
August 10, 2023
The Super Safety by Hoffman Tactical has recently dropped. The Super Safety is a mechanism that actively resets the trigger of a firearm to allow the operator to fire again, quickly, and efficiently....
The Partisan-9
August 05, 2023
In the past few weeks there have been noteworthy developments in the DIY Defense Space. Laffs Dynamics is at it again with his Glock Ghost Ring Sights, which are a simple solution for acquiring a fast...
DEFCAD Signal Launchers
July 22, 2023
One of the most promising developments in the past year has been the creation and distribution of printable devices outside of the standard firearms patterns. Enter the signal launchers. The ability t...
DEFCAD Quick Start Guide
July 15, 2023
Given the rate that projects are coming out of the DIY Defense space these days, its necessary to go through the DEFCAD archives and respect certain work. Are We Cool Yet? has many projects that merit...
DEFCAD Leaderboard
July 06, 2023
We at DEFCAD hope our members had a very potent and explosive Fourth of July! Laff's Dynamics did his part this holiday by providing a few new remixes in the spirit of Independence. UBAR-9M-USA and U...
Bullpup Designs at DEFCAD
June 30, 2023
As DIY Defense sees greater development, common platforms offer new promises. Among these are bullpup platforms, many of which use AR-style fire control groups, granting a familiar handling and ease o...
Announcing BANB 2023
June 22, 2023
Welcome back to the DEFCAD Newsletter. Starting with some standard fare, HulkHoganHH has released the first remix of the 3DP90, the Polybius. Featuring reworked ergonomics and an opened magwell, HulkH...
Experiments in Guncad
June 15, 2023
One of the major benefits of 3D printing as a primary medium of development is the incredible variety and experimentation possible over even a small caliber range. Over the past few weeks DEFCAD has b...
3D Printed Belt Fed is Here
June 01, 2023
This week's newsletter begins with one of the more interesting projects in recent years: The RBC-9. The RBC-9 is a Roller-delayed Belt-fed Carbine chambered in 9mm NATO, developed by Nopel 0 and curre...
DEFCAD 2023: The best 3D-printed gun archive on the internet, now even better
May 02, 2023
We've made many recent improvement at DEFCAD! No doubt you've seen some of these, but read on to learn what's new: 1. New Theme The most visible change is, of course, our new theme. Over six month...
DEFCAD Newsletter - JSD Invitational 2022 Roundup
November 22, 2022
In this issue we round up the submissions from the recently-concluded JSD Invitational 2022 competition. This competition was the first of its kind: a tournament in which 16 different guncad designe...
DEFCAD Newsletter - Pump Signal Launcher, Printable Battle Rifle, New AR Mag
October 18, 2022
Time is running short on our special coupon code for themagproject.com! This code was sent to us by Laffs Dynamics: use code LAFFS to get 10% off any laser-engraved magazine on the website! The code e...
DEFCAD Newsletter - New in Guncad Pt 2: Pump Action AR, Double Barrel AR, Chonky Lowers
October 04, 2022
As before we would like to begin by sharing a coupon code sent to us by Laffs Dynamics on behalf of themagproject.com. They would like to announce their newest promotion: golden laser-engraved magazin...
DEFCAD Newsletter - New in Guncad Pt 1: Printable P80 Jig, Panther-9 SMG, Gatling Crank
September 12, 2022
After two deep-dive issues we are returning to covering the latest in guncad, and there are so many new designs that we cannot fit them into a single newsletter! As such, this will be a two-parter. Th...
DEFCAD Newsletter - Hundreds of Printable Gun Accessories
August 29, 2022
In guncad much public attention is given to full firearms platforms, but the world of gun printing contains far more than just this. Firearm parts and accessories - grips, stocks, and more - can also...
DEFCAD Newsletter - Printable PDWs and Ronis
August 26, 2022
Welcome to another special issue of the DEFCAD newsletter! This issue focuses on the many printable PDW and RONI designs produced by the guncad community. If you aren't familiar with these sorts of d...
DEFCAD Newsletter - Printable Rifles, Pistols, Parts, Launchers
August 22, 2022
The last two weeks has provided several new designs, which provide a rather interesting cross-section of guncad as a whole: we have new printed pistols, new printed rifles and new printed parts! In ad...
On Open Source at DEFCAD
August 21, 2022
The political innocence of the artists at work in our community is a given. 3D gun developers draw firstly from their familiarity with computers and design software, and not from a common ideology. N...
DEFCAD Newsletter - DIY Printable Night Vision
August 16, 2022
Today we are stepping back from printable firearms to focus on another subject: diy night vision. nvgs that you can build at home experienced an explosion in popularity in mid-2021, resulting in the p...
DEFCAD Newsletter - Printable AR22 Designs
July 18, 2022
Today’s issue reviews the many printed AR-22 firearms. In the context of guncad, an AR-22 firearm is any platform that uses a “conversion bolt” such as the CMMG Bravo, Atchisson or Ciener bolts to fir...
DEFCAD Newsletter - Printable Bloop Tube, New FGC-9 Model and More
July 04, 2022
Happy Independence Day to all gun printers worldwide! Creating your own firearms is one of the most profound ways for free men to assert their independence, and the guncad community continues to suppl...
DEFCAD Newsletter - Printable AR Uppers, DIY NVGs and More
June 21, 2022
Greetings again to all DIY firearms fans - we have some particularly interesting developments for you today. Preeminent among these another “holy grail” of guncad, two different designs for a printabl...
DEFCAD Newsletter - Professor Parabellum 100% DIY Designs
June 08, 2022
The good Professor began creating and releasing guides and plans for the development of homemade firearms years before the guncad community as we know it existed, and he remains active to this day, st...
DEFCAD Newsletter - Printable Drum Magazine, AWCY and Professor Parabellum
May 24, 2022
Featured today is a plethora of new AWCY releases, perhaps most notably the world’s first printable drum magazine and the long-awaited Scarab design. We are also pleased to bring you the latest Profes...
DEFCAD Newsletter - Printable Magazines
October 19, 2021
Welcome to the latest issue of the DEFCAD newsletter. Today's focus is a line of development that has literally been part of guncad since its origins: the printed magazine. The very first file releas...
DEFCAD Newsletter - Printable AR-15 / AR-308 Lowers
September 21, 2021
Welcome to the fifth issue of the DEFCAD newsletter. This special issue will focus on one of the most exciting lines of development in printable firearms: the printable AR-15 lower. The development o...
DEFCAD Newsletter - .22s, NVGs and Stipples
September 07, 2021
Welcome to the fourth issue of the DEFCAD newsletter. This regular sendout continues to keep you informed of the newest 3D-printed guns from across the several communities. Our last two issues focuse...
DEFCAD Newsletter - Complete Shuty Line Now Available
August 24, 2021
Welcome to the third issue of the DEFCAD newsletter. This regular sendout continues to keep you informed as we catalog and archive 3D-printed firearms. Since last issue’s announcement of the catalogi...
DEFCAD Newsletter - Shuty, WTF-9, MOD-9 and More
August 10, 2021
Welcome to the second issue of the DEFCAD newsletter. This regular sendout will keep you informed as we catalog and archive 3D-printed firearms. We are pleased to announce the cataloging of Derwood’s...
DEFCAD Newsletter - Welcome to the DEFCAD Newsletter
July 27, 2021
Welcome to the inaugural issue of the DEFCAD newsletter. This regular sendout will keep you up to date on the best 3D-printed firearms releases. Recent major releases include two projects from AWCY:...
Gun CAD Files Now Free For Download
April 28, 2021
A decision in the Ninth Circuit has now made all CAD files, blueprints and manuals for small arms free to be legally downloaded at DEFCAD....
Host Beta and Prerelease Files on DEFCAD
January 18, 2021
Many community projects are thoroughly beta tested by small groups before being released. We invite you to support your testing efforts by uploading your project to DEFCAD as a "prerelease.” Uploadin...
Invitation to DEFCAD
January 16, 2021
