Here is the other side: https://imgur.com/a/DQQooDk

Gushing about CoreXY:

I finally got around to upgrading to a klipper based core xy machine and it is magic I went for the K1 Max, since it was $680 after discounts and it's 300mm^3^ (1.5X the size of a X1C)

Accelerations are 10x faster, print times are 4x shorter compared to my highly modded ender3 and cr-10. this build took about 12hr of print time, normally it was 2 full days.

NO sanding, NO filing, NO heating things up to make them fit right.

Every single piece came off the build-plate perfectly ready to go, aside from my intentionally under-sized pivot and takedown pin holes. I like to drill those out personally...

Now for the specifications:

• Daichi Upper + shroud (modified)
• DS1913 Lower v1.2 (modified)
• Slim Everytown mag (modified)
• Get Bent angled grip
• Mini hand stop
• sling mount is just the mount from SG22 brace
• Sling is a laptop bag strap 😆
• The muzzle device is an AKM compensator I modified to work for AR barrels. It works marvelously to prevent muzzle climb. Check the video how the gas is going up and forward.
• The binary is the mythical Invisibinary by Klaviermeister. It was taken down years ago but if you have half a brain you can find it still. Fosscad of reddit keeps making posts begging for the files every few months lol. they all give up and pay $400 for a storebought binary.

Wondering about reliability? I have thousands of rounds through this binary trigger. check out this clip of a mag dump at 600RPM: https://imgur.com/a/khxhymP

this firearm is for self-defense only. The quote is from ___

It looks like its gone for me? That community was the largest of the Fosscad communities and I posted there occasionally to try to grow the sub. But now its gone, anyone know why?

We're happy to announce that we were successfully able to initiate a BusKill lockscreen trigger using a 3D-printed BusKill prototype!

Watch the 3D Printable BusKill Proof-of-Concept Demo for more info youtube.com/v/Q-QjHelRvvk

via @[email protected]

What is BusKill?

BusKill is a laptop kill-cord. It's a USB cable with a magnetic breakaway that you attach to your body and connect to your computer.

Watch the BusKill Explainer Video for more info youtube.com/v/qPwyoD_cQR4

If the connection between you to your computer is severed, then your device will lock, shutdown, or shred its encryption keys -- thus keeping your encrypted data safe from thieves that steal your device.

Why?

While we do what we can to allow at-risk folks to purchase BusKill cables anonymously, there is always the risk of interdiction.

We don't consider hologram stickers or tamper-evident tape/crisps/glitter to be sufficient solutions to supply-chain security. Rather, the solution to these attacks is to build open-source, disassembleable, and easily inspectable hardware whose integrity can be validated without damaging the device and without sophisticated technology.

Actually, the best way to confirm the integrity of your hardware is to build it yourself. Fortunately, printing your own circuit boards, microcontroller, or silicon has a steeper learning curve than a BusKill cable -- which is essentially just a USB extension cable with a magnetic breakaway in the middle.

Mitigating interdiction via 3D printing is one of many reasons that Melanie Allen has been diligently working on prototyping a 3D-printable BusKill cable this year. In our latest update, we hope to showcase her progress and provide you some OpenSCAD and .stl files so you can experiment with building your own and help test and improve our designs.

Print BusKill

If you'd like to reproduce our experiment and print your own BusKill cable prototype, you can download the stl files and read our instructions here:

• buskill.in/3d-print-2023-08/

Iterate with us!

If you have access to a 3D Printer, you have basic EE experience, or you'd like to help us test our 3D printable BusKill prototype, please let us know. The whole is greater than the sum of its parts, and we're eager to finish-off this 3D printable BusKill prototype to help make this security-critical tool accessible to more people world-wide!

For anyone who comes across this (hopefully lemmy.ml doesn't shut this community down, but we can just make one on another server):

I host a mirror of some prints at gats.mysu.dev. It is available via Tor and I2P only, the domain above will simply redirect to the onion.

Files can be downloaded directly, or via I2P torrent.