Questions tagged [3d-printing]

The process of creating three-dimensional objects out of plastic or other materials using a device similar to a printer.

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Calculating Gearing Ratio from Constrained Rotational Linear Arc and Horizontally Opposed Rotation

I'm 3D printing an aircraft throttle unit as a POC and am trying to calculate the gearing ratios that are required in order transfer the full range of linear motion into a directionally opposed sensor ...
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Could Bidirectional Rotary Damper be good for a 3D printed car steering?

I am designing a car steering and i do not want to use any sort of gears or motor. Would a bidirectional rotary damper work? I want the steering to feel more real and not too free.
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Recommendation of different materials for 3D printing flexible parts

I am planning to 3D print this part from solidworks. I am hoping to achieve a good level of flexibility with the clasps in this part. Thin circular arc in the Top drawing. and Wider circular arc in ...
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How to use mesh as a reference object in Solidworks?

Suppose I want to design some device against a scanned 3D model like eyeglasses. I have imported STL model and drew a reference plane by three points of it. I can ...
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3D printer printing out cotton-candy like material after repeated use

I recently purchased a JGMaker Magic 3D printer. It worked well for about 3 months [first picture], but now it is having a lot of trouble. As you can see in the images below, when printing new pieces, ...
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3D Printing Models exported to DWG from STL using 3DS Max have missing surfaces

I want to edit some STL projects with Inventor. According Autodesk documentation, since Inventor is not able to edit mesh models, the most practical way without installing other software in my ...
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54 views

Could 3D printing be done at a distance e.g. by pointing laser?

Could 3D objects be printed from a distance? Say, by pointing a laser at a stone wall? I'm not concerned with whether the requisite technology already exists or would be difficult to build, but ...
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Cutting lego “+” cross-axle holes, lego knobs?

In short, I'm looking for ways to reasonably precisely machine a "+"-axle hole, Lego compatible sockets, Lego compatible knobs, Lego compatible round peg/axle holes, and other cutouts for Lego-...
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Stability of lattice or mesh supports for printing

Support structures like lattice supports, tree supports or wire supports are being widely used in metal printing or FDM as they minimise the wastage of material and power consumption. In addition, ...
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46 views

Cad file for turnstile mechanism/ one-way clutch/ one-way rotation?

I am writing my first 3D cad-file and I want to place into it a turnstile mechanism (a mechanism that allows a fixed axis to rotate only one way, and not in the opposite). Are there cad-templates for ...
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What is the tolerance on gear pitch?

I'm trying to make a gear to mesh with a motor shaft that I bought online, but it doesn't give any information about the pitch or diameter. When I measured the diameter and pitch of the motor shaft, ...
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How do you create a mounting device for a PCB if the PCB's mounting hole positions aren't documented?

I'm trying to create a place for these PCBS to mount onto: https://www.amazon.com/ELEGOO-Prototype-Soldering-Compatible-Arduino/dp/B072Z7Y19F/ref=pd_cart_vw_crc_1_2/133-3052301-7665733?_encoding=UTF8&...
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173 views

Is it possible to grayscale a MPO file (3D camera) for a CNC carving

I had/have a 3D camera back in the day, and I gotten a few pictures. I kinda stopped using it since there wasn't anything I could do with the MPO files. However, the camera might gain a new life if I ...
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What does stress analysis of 3D printed parts reveal vs their normal counterparts?

I have seen videos or heard about 3D printed buildings, 3D printed space shuttle parts and more. There seems to be a lot of craze developing around 3D printed manufacturing. I have never heard anyone ...
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Is the construction of a high-speed 3D printer (replicator from Star Trek) possible? [closed]

Yesterday I asked this questions on physics part of stackexchange, but I was redirected to engineering side of the force ;-). We all know about the rapidly developing technology of 3D printing. ...

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