How to draw in 3D in AutoCAD from 2D plans?

Question

how do you do this, i have already drawn a 2d plan, and ive seen the extrude tool which has worked, but can anyone explain this process better or point me to some good tutorials explaining how to draw in 3D in Autocad. I am using AutoCAD 2008. thanks!

Answer 1

The only really good way to draw a solid model structure in AutoCAD using solid modeling would be to construct your model one 2x4 at a time. Build your layout as if you were in the real world. The reason is that you will need to be able to manipulate each part if necessary. This does not mean that you will need to create and extrude each individual 2x4, you can copy the first one over and over as long as the length is correct.



1 of each seperate component should be constructed as its own model and saved in its own file. remember you can copy similar components over and over. You would be making use of the extrude command for a lot of your parts as well as all of the other powerful AutoCAD solid modeling tools. Refer to Blogs and Tutorial Sites as much as possible to learn techniques. Try:

http://www.caddigest.com/subjects/autocad/tutorials/solids.htm

definately try to check out groups.yahoo.com and see if there are some nice AutoCAD groups.

Also - it helps to do an advanced google seach by ending your search term with filetype:ppt (this gives you Powerpoint files that often times are created by instructors or others)



As you create your library of individual models you can start an assembly of these models. You will be inserting these components as blocks into your assembly. with time you will be able to add data information to your blocks (i.e. Cost, supplier, weight, etc...) That way you can get determine cost of the final structure, Bill of Materials, or whatever.



Make your life easier by making use of layers as much as possible. That way you can shut off layers of your structure. (for instance, you can turn of the drywall layer to expose the studs)



Basic Solid Modeling has not changed too much since Autocad 9.0, 10, 11, ... Dont limit yourself to finding info on solid modeling just for AutoCAD2008 -- almost all material you find will have clues for you.

Answer 2

Yes, you can make 3D drawings from 2D drawings in Autocad using the "EXTRUDE" command. But once you used the 3D commands of AutoCAD, the editing & view commands from then on are almost completely devoted to 3D Autocad commands already. The way I remember it, I think you need nearly the same amount of time to study 3D Autocad as you did with 2D AutoCAD. If by steel frames, you mean the array of steel that goes inside concrete pillars & supports, then I believe you will need to do a top view of the array of the steel frame, and the extrude it. But anyways, I suggest you study 3D Autocad first. Anyways, I personally think 3D Autocad is more interesting than the 2D. Of course, you don't necessarily have to change your Autocad software. You can do 2D & 3D drawings using the same Autocad you used for your 2D drawings, although they do have specialized softwares dedicated to advanced 3D drawings.

Answer 3

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Answer 4

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Answer 5

how to draw 3D drawing in 2D surface