SketchUp is a 3D modeling computer software for a wide variety of drawing applications, including architectural, interior design, landscape architecture, civil and mechanical engineering, film and video game design.

Features:

• Textures.
• Lighting effects.
• 3D models.
• 2D models.
• Layer manager.
• Animations.

Advantages:

• Easy to draw your design.
• Adjust to the lifelike drawings you’ll create fast.
• Allows you to render surfaces in an array of "styles".
• Makes it easy to integrate with software that furnishes additional capabilities.
• You can place your model within "Google Earth" - right on the actual site.