Making multiple small images spliced into a large one (sprites sheet), for game development, this can save the storage space and loaded memory that texture images require in game; for web design, this (CSS sprites) can greatly reduce the images loading frequency and time, so as to make web pages load faster. If you want to use Photoshop to do this, that’s too stupid and inefficient. Or if you gave Zwoptex up, then it’s time to turn to this TexturePacker from Germany.
Google SketchUp is an extremely popular and user-friendly 3D modeling tool, which is production process of design scheme oriented, and mainly used in the architectural design and relevant fields. Its creation process not only can directly express the designer’s idea, also fully meet the needs of communicating with customers in time. Applying it to game design is a relatively new field with a certain amount of challenges.