3D printing section request

SandBar

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With over 20 years in CAD/CAM/IT and seeing how 3d printing is becoming a very useful resource in many hobbies I would like to ask for a 3d printing section to be created. The goal would be to develop and share useful models, and general 3d printing support. I spent an hour today on a simple seal driver, and have considered a dozen other useful tools and accessories that would benefit everyone. Example of development and design process images attached.
 

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twisted60

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I was planning to remove mine and take to 3d printing shop and see what they could do, I've never dealt with 3d printing so honestly i have no idea if it doable.
 

SandBar

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Is there sheering force on those 2 down facing cylinders? If you have a set of digital calipers and want to take some dimensions i would be happy to CAD it into a STL for you and give it a go in printing it. I feel like 3d printing can really be an asset here in hard to find or expensive parts replacement. I have been pushing the envelope with it for a while, from 2A items in resin to functional intake manifolds in nylon.
 

twisted60

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The 2 thin legs are for spacing, there are 2 short legs that trip the release on the switch, they take a lateral load so they need to be strong. I can pull mine off and send some measurements. I'll send it in a PM.
BTW I love M134's, my aircraft had them installed for 11 years, good times.
 

SandBar

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If you can do a basic dimensional drawing I can work from that easily enough. And a few reference photos.
 

patracy

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I'm fine with it. Matter of fact I have a few printers. Creality CR-10 S5 (500x500x500mm capacity) printer, two prusa clones (220x220x220mm), and a Elegoo mars resin printer. The S5 is running just about non stop right now on a big project I'm working on. But the smaller prusa clones are mostly idle. The resin printer is idle right now, but due to the cold temps.
 

SandBar

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I'm fine with it. Matter of fact I have a few printers. Creality CR-10 S5 (500x500x500mm capacity) printer, two prusa clones (220x220x220mm), and a Elegoo mars resin printer. The S5 is running just about non stop right now on a big project I'm working on. But the smaller prusa clones are mostly idle. The resin printer is idle right now, but due to the cold temps.
Fantastic! Let's fill it up.
 
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cattlerepairman

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For someone who looks at 3D printing as space wizardry, I am very excited that replacement parts or improvement parts made from unobtainium could perhaps be designed and manufactured by our very own group here!
I have nada to contribute on the technical/CAD front but would sure be willing to compensate anyone who 3D prints a useful part for me!
 

SandBar

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Websites like thingiverse.com will get you an idea for the breadth of applications current day 3d printing can serve. Is it equivalent to a mill and lathe? No way, but things like printed in place bearings and many structural obstacles can be overcome with proper FDM (plastic printing)/SLA (resin printing) material selection and technique.

In another group we are pushing the envelope for 2A related prints (using phenolic spacers to allow plastic or resin to be used near a hot barrel for example or printing at a 45% angle to get the most durability at the rear of a receiver). My point is that there are those that still see 3d printing as a fad or toy, as it was in it's infancy years ago, things have changed and a lot can be done with a 25 dollar roll of filament or liter of resin.

I built a material testing unit last year, it allows me to test different printing materials and measure elongation failure, shearing failure etc. Printing settings make almost as much of a difference as the material selection. Not everything needs to be rugged however, some items need to look well finished for the application. I look forward to seeing how our community can benefit from this now readily available technology.

Forgot to add, and I will be happy to get to answer some questions rather than only ask so many for a change (thank you all for helping me along the way with my generator and 5 ton lately).
 

patracy

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So, I've been thinking it over. Do we want the new section to be solely 3d printing? Or maybe all sorts of development? There's a few other tinkers here that play with Ardiunos and such to replace some of things like CTIS controllers as well? What about an entire new section and then subsections for 3D printing, arduino/electronics, CNC, and whatever else comes along?
 
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