Simplify3D User Forum

juanmedina

I found an article from dupont stating that most intake manifolds are made from Nylon 66. Is that material available for 3D printers?

juanmedina

Most of the high temp PLA materials will need annealing in order to maintain heat resistance at their advertised elevated temperatures. It will still not be very strong at all at that high of temperature, and engines vibrate a lot. I'd strongly recommend nylon over any other material in that applic...

juanmedina

Well I kept playing with the retraction setting and could not get it to fix the issue with bad seam. I decided to just turn off the retraction and it looks way better than it used to. There is no void at all anymore just a little seam that I can sand down with much effort. On the inside of the tube ...

juanmedina

I tried to change the retraction setting, added coasting etc and it didn't help. It just makes the part worse in other areas.

Can anyone print a small round tube and see if they get a z-scar?

Like said any other parts look really good with not visible scar when changing layers.

juanmedina

For some reason when I print tubes it leaves a bad z-scar. When I print any other parts the prints looks flawless. I can try the random start point but I don't want to have marks all over the part. I found other threads of people having the same issue but with no solution; maybe there is glitch with...

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Re: Z-Scar when printing circular tubes

Re: Z-Scar when printing circular tubes

Re: Z-Scar when printing circular tubes

Re: Z-Scar when printing circular tubes

Z-Scar when printing circular tubes