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/qa/ - Questions and Answers

Questions and Answers about QA

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File:Screenshot 2021-07-05 0140….png (845.51 KB,1920x1080)

 No.74404

Does /qa/ do any CAD or 3D modelling?

I haven't done any CAD'ing for the better part of 6 or so years. I used to be really fast at it, but just making a simple room has been a real slog for me. I plan to do quite a bit in the coming days and weeks so hopefully I'll get faster again.

 No.74405

I mess around with 3D stuff now and then, but CAD stuff for building and technical things is something I've never tried. I know it's something I need to learn since I do want to do some 3D printing eventually, but it's certainly far less entertaining to me than sculpting in ZBrush. It's like contrasting math to painting, I just don't have the brain to enjoy it

 No.74406

tried learning it to make a game but they looked like clay statues and my animations were bad...

 No.74407

>>74405
It's not too hard to learn. For the most part, it's just a lot of making lines, rectangles, and circles, and then setting constraints (i.e. "Line 1" is 4mm from "Line 2"). But, yeah, it can be kind of mind-numbing if you're doing repetitive stuff.

I can't remember what the name of the book was, but it was from an engineering class I took, in it it would show the dimensions of a given part from various angles and then you had to basically recreate it, with each example getting just a bit more difficult and complex. Doing problems like that I found pretty fun actually. I found it similar to building with Legos conceptually except there's a lot more freedom because you can design literally anything compared to being tied down with a certain number of specific blocks to use.

 No.74409

I think I had an engineering course many years ago where I used it, but it was so long ago now I've probably forgotten most of how to use it...

Although from what I remember it wasn't that difficult. Would probably say video editing or learning photoshop were tougher.

 No.74410

I am a teacher from vocational high school to teach CAD.
currently, I use DesignSpark Mechanical since this app free to use, it lightweight with lowres compensation. sometimes we make some object to print it using 3D printer or export it to 2D CAD to route it into some acrylic or MDF. It fun.
Most teacher use non-free app that children who graduate from this school cant use it except they do illegal thing. If you have any alternative free app I appreciate it.

 No.74412

File:bc1d22d47c53914344d02154dd….png (546.97 KB,1224x1272)

2 times, one for making a mechanical part, another for physics simulation for some device i designed

 No.74420

Want to learn to create 3D design for stuff to 3D print, don't know where to begin. Used to do blender stuff back in college but dropped that to solely pursue programming proficiency. Have one question though, is tinker CAD the only way to 3D design for 3D printing? Or can I do it with blender too? If so then I might be able to use leftover muscle memory left of blender hot-keys.

 No.74421

>>74420
DesignSpark is free app alternative to tinker CAD it easy to use and pro-like CAD app.

 No.74424

>>74421
>Although there is no charge for the software,
>the user must register with the website to unlock the program
>and it displays advertisements which must be acknowledged before the user can begin working.
Don't think I'll use it.

 No.74425

>>74424
> user must register
isn't tinker cad also require users to register to use?
> advertisements
main ads are advance tutorial articles and some components from rs-online who make it free to us.

 No.74427

>>74425
Oh, guess I might give it a try then.

 No.74480

How good is autocad compared to other design tools without a 3D printer? I know you can create models in it, but is it what anime studios, with good cg, use to create said CG?

 No.74486

>>74480
CAD programs aren't really meant for that kind of CG. I can't speak for Japan, but I've worked in 3DCG animation before, and I recommend Zbrush for sculpting, Photoshop for textures, and Maya for everything else.

 No.74507

>>74480
For 3DCG, CAD software are a lot more limited than 3D modeling software I think.

 No.74547

Is that the /qa/ mansion you're trying to make OP?

 No.74679

>>74404
Yeah, it's part of my day-job. We use NURBS-based CAD package that recently added SubD capabilities. >>74420
Back when I tried Blender, it's not good for generating solids for 3D printing. I got the impression that Blender focused more on 3D CG and animation back then. No idea how it is now.
For 3D printing, you want to generate a "correct" closed solid mesh, otherwise your 3D printer will get confused when slicing the object into layers, and you might get incorrect print results.
If you can do a bit of scripting, try starting from OpenSCAD.




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