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Multipurpose Jig 3D Printed.Do check it out !!

by designstation97

Link: https://www.youtube.com/watch?v=9M-4-Z_aWs8

Hello everyone,

I have created a Multipurpose Jig in Autodesk Inventor and 3D Printed the Part in Ultimaker 3 Extended.I have uploaded the 3D File as well as the link to the making video posted above.

Here is the link to the 3D Model:

Multipurpose Jig
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General purpose cd/dvd gripper

by TheHeadlessSourceMan

I'm trying to design an open source robot actuator for gripping CD discs.
The main applications I have in mind are either a disc duplicator robot and a jukebox/cd changer.

Design constraints:
1) Needs to grip the disc edges, not center hole, so it can be used with cd spindle.
2) As slim a profile as possible to maximize the number of discs a jukebox rack could hold.

Below is a rough model of what I'm thinking. As you can see, I'm still undecided about the best method for servo attachment.

Any feedback or design suggestions?

actuator cd changer cd duplicator cd rack dvd dvd duplicator gripper jukebox robot actuator robotics
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Additive Manufacturing Processes


Pros and Cons for various 3D printing methods in creating prototypes or functional components.

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casting 3d prints

by ready4anarchy

so how a lot of custom jewelry is made, especially rings, is they start from a wax model, which is cast in plaster, melted out and replaced with a precious metal.

has anyone done the same with a hollow 3d print to cast something out of a non ferrous metal?

any tips?

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Looking for a mechanism

by TheHeadlessSourceMan

Hello all,

I'm trying to design a general purpose sensor/scanner device. The idea being to use a single sensor of some kind, which is then swept through every point in a 2d plane. (circular or rectangular, doesn't matter) The question I have is what kind of mechanism to best do the sweep?

So far I've considered:
Cartestian X-Y (reprap-like) = I don't like because it uses two motors and sophisticated control.

Sensor rides on a planetary gear = better, simpler, but will create a greater density of readings near the center. Also I'm not sure about "retrograde" movement re-sampling old points when I could be moving on.

Any other ideas?

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3D Printering Tips and Tricks for Engineering Design


A forum to exchange tips and tricks used when designing engineering prototypes.

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Reference part

by k1200

Hi, I am developing a reference part that can be printed on FDM machines and as well other techniques. I would like share my ideas an hear your comments on my reference part.

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