3d Touch fan duct thing
by Syntaxcapt, published
I always found that printing certain parts in PLA on the 3d touch can be messy (especially small, high res parts with large over hangs).
I did some test prints and they turned out really good using the increased air flow and having it directed near the nozzle tip.
Even large flat PLA parts came out really well!
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Glad to hear you sorted out your fan issue. Thanks for trying out the part.
I've been meaning to get around to designing fans that'll fit other configurations but I have yet to find time to get around to it and the ducts I did design aren't a "one size fit all" due to the each fan location not being directly inline with the existing holes that the fans mount to. If you do redesign, it let us know!
When I got to looking at this, and at my 3D Touch, I discovered that one of the fans was installed upside-down! Came from the factory that way! (The 3-head 3DT has 3 fans, 2 in front and 1 behind the hot ends.)
I going to try this fan duct or redesign it to accommodate the 2 side-by-side fans on the front side of the heads. My printer came with 15mm thick fans and I see the fans at that DigiKey link in the instructions are also 15mm. Looks to me like there's enough room for a duct using 15mm fans. Btw, here's the link to the US DigiKey website (the one in the instructions is for the Canada site):
Or just go to DigiKey and search for part number 259-1337-ND.
Now I'm gonna go turn my upside-down fan over! I wonder how long it would have been before I discovered that if I hadn't seen this Thing? That maybe explains why my larger ABS and even PLA prints tended to warp a little more on the side with that fan!
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*Edit* Added Fan duct for front right position (I'm sure it can also be move to the left spot too).
Tips on moving the limit switch:
Also a link to a Thiniverse page with a printable mount and explanation
Step 1: Install aftermarket fans. They must be bellow 15mm so as it will fit and not crunch into the build platform.
-Here's an example of the fans I got. I tried to maintain the same specs that were on the stock fans
This link is strange only works if you copy and paste the whole thing :P.
-The fans I got are powerful, main difference is the higher RPM. Which also increases the noise output.
Step 2: Print part... with support (sorry).
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