How and where - (in what application Photoshop, Corel or something else) can I make a 3D design that looks like the illustrations, for example?
Thanks in advance. Best regards
You can render a 3-D image using 3-D rendering and modeling software, or you can draw a 2-D image that looks 3-D. (or, in many cases, a bit of both)
The left logo appears to be modelled, the right logo appears to be a 2-D illustration.
To do 3-D modeling, you'll need to get some 3-D software and learn it. Options include SolidWorks, SketchUp, Maya, and many, many others.
To do 2-D illustration that looks 3-D, you'll need to learn some basic illustration skills (perpective, shading, scale, etc.) and then learn some software to draw it. Options include PhotoShop, Illustrator, InkScape, The GIMP, and many, many others.
Photoshop CS6 Extended has strong 3D capabilities, vastly upgraded, faster and a lot simpler to work with than CS4 or CS5. PS brings all the power of Photoshop to the party, which becomes important when you're working with custom textures and bump maps, or for subtle shading and blend mode effects, and has the advantage that you're already familiar with most of it. You can download the public beta as of today (April 13, 2012) for free, so it's worth a try.
PS Extended imports most standard 3D formats, so if you create something with Blender or Sketchup you can still work with it in Photoshop. Maya has specific round-trip functionality to allow an artist working on a 3D object to take it into Photoshop for texture, shading, etc., and bring it back into Maya for final rendering.
If you'll be getting into extensive 3D work (and you have the budget!), then a full-blown application like Maya, 3DS Max or SolidWorks would be the way to build your 3D objects, using Photoshop to enhance as needed. (The fact that 3D artists use Photoshop so heavily is the reason the program acquired 3D features in the first place. Nothing moves on a video screen without being kissed by Photoshop somewhere along the line!)
You can easily make something similar to the first logo using the 3D revolve tool in Adobe Illustrator. For more complex icons, a possibility would be to use Illustrator's gradient mesh tool or to create the logo in a dedicated 3D design program such as Autodesk Maya or Cheetah3D and then can be augmented in Photoshop.
Here's an example of the fist logo example done in Photoshop CS 6 Extended. Note that I only let it go for 5 (rendering) passes; the longer it renders the more noise is removed...
As you can see, for some of your 3D needs Photoshop CS 6 Extended can be your goto app. After all, as a designer, you're probably already there... and it comes with a/the Creative Cloud. (^_^)
Check out Photoshop.com for more information. Or comment below and I'll update this post with a few steps on making the rings and text (3D Extrusions). Cheers!
Disclaimer: I am the editor-in-chief of Photoshop Dimensions.
Rendering in 3d software allways produce bitmaps and these pictures are only suitable for presentation of a logo, not for use outside of web. Resolution problems occurs with resizing, even printing. So... The real logo is only vector based illustration, suitable for all purposes.
Best regards, and good luck! by DESIGNO