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  #11  
Old 11-16-2022, 09:46 AM
wirejock's Avatar
wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
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Question Software

Quote:
Originally Posted by 50Pesos View Post
So I looked for cad software. We had been using blender, it was free. It was my first exposure. Is there a better route to learning this? I don't mind spending some money to get a product that isn't meant for NASA, just not interested in the /month software. Thanks in advance for any guidance.
Try LibreCad.
LibreCAD is very similar to AutoCAD. I found quite a few tutorials on line as well.

Libre has a full suite of freeware (Libre Office), open source software. They all are pretty intuituve. I like them because my shop computer is Linux Mint. I can edit documents or work on drawings without running inside.
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  #12  
Old 11-16-2022, 09:59 AM
skelrad skelrad is offline
 
Join Date: Mar 2005
Location: Redmond, WA
Posts: 384
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Quote:
Originally Posted by 50Pesos View Post
So I looked for cad software. We had been using blender, it was free. It was my first exposure. Is there a better route to learning this? I don't mind spending some money to get a product that isn't meant for NASA, just not interested in the /month software. Thanks in advance for any guidance.
Initially it can be a little more complex to learn than some, but I like Fusion 360. Their free version simply limits how many projects you can have editable at the same time (I think 10?), which is not a problem at all for me. There are a ton of instructional Youtube videos available for it.
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RV-9A: Fuselage in progress
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  #13  
Old 11-16-2022, 01:46 PM
ty1295 ty1295 is offline
 
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Location: Jeffersonville, IN
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I am a Fusion360 user currently but used many others. EAA offers solidworks version for free I believe. (I won't use solidworks for other non topic reasons).

But any good 3d should do this with a sweep function.
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  #14  
Old 11-16-2022, 02:35 PM
skelrad skelrad is offline
 
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Location: Redmond, WA
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Originally Posted by ty1295 View Post
I am a Fusion360 user currently but used many others. EAA offers solidworks version for free I believe. (I won't use solidworks for other non topic reasons).

But any good 3d should do this with a sweep function.
I think Solidworks changed their deal with EAA, so no longer free, just discounted.
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  #15  
Old 11-17-2022, 05:29 AM
ZephyrSurfer ZephyrSurfer is offline
 
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Location: Atlanta, GA
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I've been slowly learning Shapr3D as I'm a Mac/iPad user and is a very intuitive native app. It's core engine is the same as Solidworks, and it will read a variety of file types.

That being said, I've become very proficient with TinkerCAD, which is free and basic. If you can use the pre-built widgets and get good at adding and subtracting object space, you can build pretty much anything. It's cloud-based as well. It feeds my Prusa slicer software with good solid .stl files.

BTW. Blender is one of the hardest packages out there to master. It's a mesh modeling tool for surfaces that won't get you anywhere when you try to build any kind of advanced tooling or components.
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  #16  
Old 11-28-2022, 12:17 PM
50Pesos 50Pesos is offline
 
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Hey fellas, I have two files that I printed in PLA. It has come to my attention the PLA will melt and at least distort in the heat. Can any of you print in ABS? My printer is at its limits with ABS and it never turned out. Thanks.
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  #17  
Old 11-28-2022, 01:23 PM
skelrad skelrad is offline
 
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Originally Posted by 50Pesos View Post
Hey fellas, I have two files that I printed in PLA. It has come to my attention the PLA will melt and at least distort in the heat. Can any of you print in ABS? My printer is at its limits with ABS and it never turned out. Thanks.
I printed a test bracket in PLA a while back and left it in the car just to see how it would stand up to heat. One day in the car on a hot summer day and it shrank and warped like crazy. If you don't want to jump to ABS, I'd say give PETG a try. It's not as good as ABS in heat, but far better than PLA. It's also much easier to print than ABS, without the nasty fumes and need for temp controlled environment. It all just depends on your application and what you need the material to stand up to.
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  #18  
Old 11-28-2022, 03:32 PM
12vaitor 12vaitor is offline
 
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Quote:
Originally Posted by 50Pesos View Post
Hey fellas, I have two files that I printed in PLA. It has come to my attention the PLA will melt and at least distort in the heat. Can any of you print in ABS? My printer is at its limits with ABS and it never turned out. Thanks.
You might try printing with ASA, it also has better UV resistance than ABS. The link below is a great materials guide and covers a bunch of different brands. Not all PLA has the same characteristics, nor do the other filament types, which is why this guide is a good starting point. I use Polycarbonate with carbon fiber or Nylon with carbon fiber for anything in the engine compartment, most cockpit items are ASA.

https://help.prusa3d.com/materials

Annealing is something else to consider if you want to improve the strength of the printed part, although you may have to compensate for dimensional changes to get the desired end result. How much really depends on the material you are using.

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  #19  
Old 11-28-2022, 04:12 PM
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hgerhardt hgerhardt is offline
 
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If you want to use this firewall-forward, I'd use nylon-12 in either SLS or MJF process. Send your .stl file to one of the many print-for-hire places and wait a week and get a durable part. My favorite (cheap and good) vendors today are Craftcloud or Shapeways. I made the oil cooler duct below from MJF about 2 years ago and it's holding up great.
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  #20  
Old 11-29-2022, 08:25 AM
50Pesos 50Pesos is offline
 
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Thank guys, the prusa just isn't doing a good job. I'll hire it out. I can not get the bend on the oval. Can someone please help me with this before I send off the file? I cant attach the file here but I can be reached at efmartinez@gmail.com.

Last edited by 50Pesos : 11-29-2022 at 08:36 AM.
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