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Pingback: New 3D printed AR lower
Congrats! Whats the round count so far?
When will the AK get any love? Mags? Furniture?
Can we have an .STL release please?
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hey, i’m new to the site. downloaded files, but many of them say “Certificate Trust List” and won’t open. what does that mean, and how do I open them?
Hello! Please check this http://defcad.org/faqhelp/
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chemist here: I know that most 3D printers use ABS or PLA, but in terms of material strength and durability, both of these thermoplastics aren’t that great. What kind of materials are you using to construct this AR lower? I know there are significantly better options out there…personally I’d be inclined to use PC.
What size buffer tube (commercial/milspec)? How is that upper attached to the rear? the rear takedown pin is much larger than what appears to be holding this together.
im having trouble opening the download with adobe any thoughts
If this is printed using abs, give this method a try, its called acetone vapor smoothing, it basically melts the surface of the part making it smooth and bonding it together more securely, also it makes it nice and glossy.
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Need to have some sort of cover for your jar, so the acetone vapor fills a more defined space. Piece of plain cardboard works.
Sensitive to vapor density, so put in plenty at first. Note the paint on your coathanger wire is showing the effects vs height. Interesting to see the dimensions were not shifted in your heart box model. That will be useful info for AR bits.
I’m relatively new to 3D printing. Is there a particular type of plastic that should be used for the strongest possible end product? Thanks for the support!!
that wasn’t my video, just an example, and to be honest a bad one. ive pretty much perfect the method, i use a large jar and regular acetone. the jar has a metal unsealed lid, so its not air tight and work perfect for keeping in the vapors, ive made a sort of tutorial on the reprap forums http://forums.reprap.org/read.php?4,195802
which download do i click on to download the latest lower receiver design ?
nvm i found it
The Bipod is on backwards in the video…..Sorry, couldn’t hold it in.
Now only if I could find a way to get access to a 3d printer or raise enough to get one LOL
So what resolution is required to print this? Would 150 um be enough? Maybe with an acetone wash after? And is a 10x10x10 printer big enough to print the whole thing?
I am on my macbook pro and when I download this and unzip the file it uses the extension
‘.STEP’. Rhino wont open that and I don’t know what kind of extension that is or how to convert it to an .STL. Thanks!
Can I download the CAD file for this lower? If so, Where?
Download here my friends! http://thepiratebay.sx/torrent/8458597
Anyone looking for this file: http://thepiratebay.sx/torrent/8458661/defcad-repo-master-2013-05-08.zip