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Ayer — 5 Abril 2025Welcome to R/3D Printing! Come for the Benchy, stay for the Calibration!

Is this 3D printer exhaust system in my garage a good idea?

Is this 3D printer exhaust system in my garage a good idea?

Hey,

I'm setting up a couple of 3D printers in my garage and want to safely exhaust any fumes (like those from ABS or ASA printing) out of the workspace. I’ve mocked up a simple diagram showing what I’m planning. Would love your thoughts on whether this is a safe and effective setup.

Here's what I'm doing:

  • I’ve placed the 3D printers inside a relatively well sealed enclosure (cabinet).
  • An exhaust fan pulls air from inside the enclosure and pushes it through ducting that goes up against the wall
  • The duct runs through the roof drywall and insulation (glass wool), then exits UNDER the roof tiles. The tiles are not air tight obviously and are that kind

My questions:

  1. Is it safe to vent through the insulation and up under the roof tiles like this? Hot air from the enclosure should disperse through the tiles easily in winter, but in summer too helped by the fan, right?
  2. Would this setup create moisture/condensation in the enclosure? I guess not since the closure hatch would be shut when not used / in winter time.
  3. My only 2 other venting options would be drill a hole in the garage door (not ready to do that atm), and replace my window with an exhaust compatible window, not the case atm and not practical at all as a permanent solution.
  4. Is the maintenance hatch a good idea, dont want insulation debris in my enclosure.
  5. I guess I dont need a carbon filter or anything in this configuration since the venting should go outside right?

Thanks for any advice, I’d love to hear what you think or what you’d do differently!

submitted by /u/Elmidea
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Float-like soap dish inspired by corrugated metal

Float-like soap dish inspired by corrugated metal

I work in the field of 3D modeling and recently decided to start creating home accessories using 3D printing—something I'm excited to share with others. This is a soap holder I designed, inspired by the shape of corrugated metal. The form helps minimize contact with the soap, keeping it dry for longer. I’ve also included small drainage holes that are slightly elevated from the surface, allowing water to drain away easily. Link in the comments.

submitted by /u/Virtual-Lobster-7552
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Does someone know a tool to invert a 3D-Print model?

Basically, the hobby of one of my friends is to mold objects per hand with liquid resin, but its very difficult for her to find unique molds, so the idea is to design the models first in any 3D program, invert the model to make a "mold" out of the model and then Print said mold, to then fill that mold with the liquid resin.

We both can do the 3D Models and me the printing of the molds, while she will take care of making resin models out of those, but I have not found a tool to invert a 3D Model into a mold, so I'm asking the reddit hivemind.

the programs I can use are Autodesk fusion 360, Solid Edge and Blender, i didnt find something like that in the first two.

submitted by /u/FromAndToUnknown
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Jason Momoa made it look so easy...

Jason Momoa made it look so easy...

About a week ago, I started teaching myself Fusion 360 to up my 3D modeling and printing game. A few days ago I was watching trailers for The Minecraft Movie with my kids when a wild idea came to mind. I found some premade models for components, but they didn't match the look of the film. So after a marathon design session while pretending to do work, an hour of fiddling with scale and slicer settings to get it printed by tonight on a single bed, and 20 hours of printing at 133% speed, plus some quick post-processing and assembly, I present to you this evening, Buck-Chuckets. I tried to replicate the proportions from the trailer as best I could. Without scaling it down, it might have even printed at a size close to the on-screen prop. I even modeled the linked chain myself (though it was inspired by a similar chain on Printables, this version was all me) with some clips at each end to hold onto the handles. I might tweak the openings on it a bit. Also the chain got jacked up, probably due to how scaling in the slicers affects tolerances. And print speed. Layer thickness... What would be the legality of posting this to a place like Printables? The models are all mine, but it's a replica of an item from a Warner Bros. Movie based on a Microsoft property. I don't know how litigious those particular entities get. Is it okay if I don't seek a profit?

submitted by /u/Kalabajooie
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