I am excited about case-less ammo, and even plastic cartridges. They will really change the game if they can solve problems like heat management, cracking, and durability. There is a kid on YouTube who made working 3d printed shotgun shells.
Michael, who has made us some 3d printed slugs before wanted to try his hand at making some shells. He made three types, a 50 cal version, a 20 ga. vers...
www.youtube.com
I have work on bucky balls and I can not think of any advantages in putting them in filament. The only thing I can think of is cross linking them in the polymer. I think that a better idea would be a polymer that chemically changes when extruded under heat so that it cures and sets.
Carbon-fiber is sort of a meme at this point. It can actually make some filaments weaker by reducing layer adhesion. That being said, continuous carbon fiber PC is almost as rigid as aluminium,but not as strong. I have seen it before and could not break it with my hands. The prints that can make continuous carbon-fiber prints are like 10K I think.
I think that resin printers are the future if they can
A) Increase build volume for 8x8x8
B) Use safer resins
C) Come down to 200-500 dollars in price for that build volume
Laser sinterig will likely remain expensive due to how complex the systems are, their need for inert gas, and the price of lasers.
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I have this problem where I want to connect the trigger in the front to the old trigger in to back to make this 1022 a bullpup. I was thinking of using something like a brake line or some similar linkage. Another idea was using a coat hanger.
