Posted: Yesterday 8:32:29 AM EDT
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I posted somewhere (don't recall) about getting somewhat mythemic rings around one of my FTN5's I believe it was @Blob or maybe @Rat_Patrol who stated perhaps it was where the insides went from essentially a hollow space to solid (baffles). I also read somewhere the outside permitter should be printed first and I'm not certain how these print of even if there is an adjustment for that. This https://www.youtube.com/watch?v=vPfoNLJc9ZU video ran across my feed which may actually be the issue. I watched it but don't fully understand what they are saying, but I'll watch it again. Anyway the settings are Slice Gap Closing Radius, Resolution, and maybe not applicable to silencers, but Arc Fitting. I may print a can and see if I can determine if these setting make a difference or if Rat and Blob were correct. |
Easily irritated engineer of odd things
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I'll see if I can find it. Factorian Designs is who I was watching, I'm also watching one on shrinkage (the water was VERY cold), and I more so believe I had both issues, shrinkage is where the baffles connected, cooled and pulling in a bit (plus the rings). He's talking about 'decoupling' the outer layer from the inner but it also weaked the part. I guess I'll live with it or get a different exterior surface. |
Easily irritated engineer of odd things
Joined:
Jul 2008
Posts:
32243
EE: 100% (5)
MN, USA
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I found it. https://www.ar15.com/forums/general/OFFICIAL-Post-NFA-3D-Printing-Thread/5-2854793/&page=6#:~:text=I%20looked%20REALLY%20close%20when,was%20seeing%20the%20internal%20vanes. It was @Blob @scul and @_Obsessed_ (if he's still around) Some of the artifacts were shrink lines, the other was resolution, I'll have to refresh myself on the benchy lines. |
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Originally Posted By Rat_Patrol: Decoupling like this tablet case? Yes, it can be very needed in scenarios. https://www.ar15.com/media/mediaFiles/165887/Screenshot_2026-08-03_163356-3805707.png As much as I can tell, yes, something like that. What he was doing was disconnecting the inner layer from the outer layer so as the inner layer dries it doesn't pull the outer layer in. But for our suppressor use, it would seem to be very detrimental to the strength portion (basically either detaching or weakening the walls. I'll have to watch it again to see if he had a solution that didn't involve making the final product weaker. I'm still learning 3d printing so excuse if I don't use correct terminology. 
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