Technically, 3 Dimensions refers to objects that are constructed on three plans (X, Y and Z). The process of creating 3D graphics can be divided into three basic phases: 3D modeling, 3D animation and 3D rendering.
Three dimensional (3D) computer graphics are extensively used and they are almost too ordinary to see anywhere, let it be movies, products designs, advertisements, etc. Although they are usually seen, that doesn’t mean they are easily created. In order to interactively control a 3D object, it must be created in a 3D authoring tool which usually cost a lot to a non-professional user.
A 3D model is usually originated on the computer by engineer using some kind of 3d modeling tools. Creating 3D models is not easy and the software alone can cost a luck Consequently, we thought it might be attractive to check out the availability of open foundation 3D modeling tools out there. Swarming from sites to sites, reading through end users comments and feedback, we bring you 20+ Free 3D Modelling Apps Full list after jump.
Blender
A free and open source 3D modeling and animation application which can be used for modeling, UV unwrapping, texturing, rigging, water imitations, skinning, animating, rendering, particle and other imitations, non-linear editing, compositing, and creating interactive 3D applications.

K-3D
K-3D is free-as-in-freedom 3D modeling and animation software. It features a plugin-oriented bureaucratic engine for all of its content, making K-3D a very adaptable and powerful package.
K-3D excels at many-sided modeling, and includes basic tools for NURBS, patches, curves and animation.

Art of Illusion
Art of Illusion is a free, open source 3D modeling and rendering studio. Some of the highlights comprise subdivision surface based modeling tools, skeleton based animation, and a graphical language for designing technical textures and materials.

SOFTIMAGE|XSI Mod Tool
A free 3D modeling and animation software for aspirant game developers and madders. The Mod Tool is a free version of XSI for non profitable game creation. It is made for everyone needing a influential 3D application to make and mod games. The Mod Tool plugs into all the major game engines and development frameworks for next-generation games, casual games, mods for obtainable titles and even Flash-based 3D games.

Zmodeler
ZModeler (or Zanoza Modeler) is a 3D modeling application urbanized by Oleg Melashenko. It is aimed at modelers who model for computer games. ZModeler is competent of multifaceted modeling, even though it does not support important modeling functions such as extruding, or beveling.

TopMod3d
TopMod3d is a free, open source, transportable, platform independent topological mesh modeling system that allows users to create high genus 2-manifold meshes. It can also create solid models that can be prototyped using various speedy prototyping technology.

Google SketchUp 6
Google SketchUp is software that you can use to create, share and present 3D models. Whether you want to design a new deck for your house, build models for Google Earth, or teach geometry to your fifth-graders, you can use SketchUp to see your thoughts in 3D. And when you’re done, you can export an image, make a movie or print out a view of what you made.

AutoQ3D Community – 3D Editor
AutoQ3D Community is an easy, light and fast 3D model editor tool that uses the full power of your PC´s graphics hardware, allowing you to speedily prototype your 3D designs. Its interface is instinctive and easy to use and provided at no charge. It is released under the terms of the GNU General Public Certify so it will be free to use, modify and distribute within any educational, professional or commercial purposes.

Anim8or
Anim8or is a 3D modeling and character animation program which allows users to create and modify 3D models with built-in primitives such as spheres, cylinders, platonic solids, etc, mesh-edit and subdivision; splines, extrusion, lathing, modifiers, bevel and distorts,

Seamless3d
Seamless3d is free open source 3d modelling software which designed for the artist who is sensible about the time it takes to learn any tool that’s going to offer creative liberty.

BRL-CAD
BRL-CAD is a powerful cross-platform productive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed frame buffer support, image & signal-processing tools.

3DPlus
With 3DPlus you can create exceptional 3D designs in just a few minutes – with no need for any complex VRML or other programming. 3DPlus is the astonishing 3D design software that enables you to create stunning 3D graphics for your home, school or business – no knowledge required!

3D Canvas
3D Canvas is a real-time 3D modeling and animation tool that incorporates an instinctive drag-and-drop approach to 3D modeling. Multifaceted models can be constructed from simple 3D primitives, or created using 3D Canvas’ Object Building Tools. Modeling tools are provided to deform, carve, and paint 3D objects.

eDrawings
eDrawings is a freeware usefulness which will give the user the power to view, create and share 3D models and 2D drawings. eDrawings offers sole capabilities like point-and-click animations that make it easy for anyone with a PC to interpret and understand 2D and 3D design data.

Blink 3D
Blink 3D is an authoring tool for creating 3D surroundings. The 3D environments are immersive, just like today’s modern games and can be viewed using the a Blink 3D Viewer on the Web or nearby.

Minos
MINOS extends the capabilities of your existing 2D-or 3D-wireframe-based systems, so you can take advantage of all the reimbursement solid modeling offers right away. MINOS makes it easy to design 3D parts and assemblies. The design methodology is based on defining straightforward geometric elements including lines, curves, and circles, and then linking them jointly to form contours.

freeCAD
freeCAD is a basic 3D CAD with advanced Motion Imitation capabilities. It is appropriate for anyone interested in learning 3D CAD and Motion Simulation for free before using more complicated packages. Its motion simulation capabilities are similar to the best and can provide precise answers to engineers and scientists in varied fields.

Bishop3D
Bishop3D is an interactive modeler and animation tool for the popular freeware ray tracer POV-Rayâ„¢, a world-class rendered for creating three-dimensional photo-realistic images. Bishop3D allows you to model the scenes interactively and it will automatically produce the correspondent POV-Ray SDL script. It offers native key frame animation support, POV-Ray SDL import and a powerful texture editor.

K3DSurf
K3DSurf is a program to visualize and influence Mathematical models in three, four, five and six dimensions. K3DSurf supports parametric equations and Isosurfaces. K3DSurf can be used by every one concerned in 3D Mathematical drawing functions and don’t necessitate any special competences by users.

DesignWorkshop Lite
DesignWorkshop is a three-dimensional modeling program for architectural design and connected endeavors. Its unique interface makes it more profoundly “Mac-like” than any prior modeling software. This interface allows it to support actual design in three dimensions, as different to just recording design ideas already worked out with other media.

Sweet Home 3D
Sweet Home 3D is a free interior design application that helps you place your furniture
on a house 2D plan, with a 3D preview. Sweet Home 3D helps people to design their interior rapidly. The user may: draw the walls of his rooms upon the image of an existing plan, change the color or the texture of the walls, import extra 3D models created by himself or downloaded from different Web sites, change the size, view the changes in the plan concurrently in the 3D view, either from an aerial view point, or from a virtual visitor view point, print the home plan and the 3D view.
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3D Modeling Outsourcing, 31 July 2009
Nowadays, 3D model is originated on the computer by engineer using some kind of 3d modeling tools. Creating 3D models is not easy and the software alone can cost a luck.
Joseph, 10 December 2009
I love to read articles that are informative, Thanks again for a nice site
Gregory Muro, 29 December 2009
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