Designing a shield

[Chris Pettet]

I am new to these forums and to the world of 3D design and I would like to design a shield which looks like a target (3 rings) but convex (or is it concave) in shape. I have no clue how to go about this. Doing a single shaped ring isn't a problem, but how do I combine 3 different ones following the same radius but different in size so they fit "inside" each other?

Any pointers gladly received.

[Jayesh Salvi]

Hi Chris,

There are multiple ways to achieve what you are trying to build. 3DTin has a library of geometry templates that you can modify and add to your model, move them around to build the shape you want. Here's a tutorial on how to do it.

https://www.youtube.com/watch?v=m8dt0ZEd8CE

If you don't find a suitable shape in this library, then you can make your own too. You will have to use the geometry builder for that. Check out this post

http://blog.3dtin.com/2012/08/09/geometry-builder-featuring-csg-subtraction/

Another family of shapes can be built by means of 2D drawings and extruding/revolving them. Check out this post for more info on that

http://blog.3dtin.com/2012/09/28/from-2d-to-3d/

Hope that helps.

--
Jayesh

On Sat, Mar 29, 2014 at 5:44 PM, Chris Pettet <adelphia.i...@googlemail.com> wrote:

I am new to these forums and to the world of 3D design and I would like to design a shield which looks like a target (3 rings) but convex (or is it concave) in shape. I have no clue how to go about this. Doing a single shaped ring isn't a problem, but how do I combine 3 different ones following the same radius but different in size so they fit "inside" each other?

Any pointers gladly received.

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[Chris Pettet]

Thanks very much for this. I'll certainly have a look at the links and, hopefully, be able to accomplish what I'm after.  Thanks again.