Furthermore, it works together with Google Earth, that you can import a scaled aerial photograph directly from Google Earth, or use SketchUp to build models which can be seen in Google Earth. With with Push/Pull tool you can extrude any flat surface into a 3D form. To build models in SketchUp, you draw edges and faces using a few simple tools that you can learn in a short time. Google SketchUp - This Google SketchUp is fun and free, and is known for being easy to use.Most of 3D printers require that you use 3D computer graphics software that saves objects in the STL(stereolithography) format.

Below is the list of popular 3D software, free or paid 3D software. Most professional 3D software is expensive, however there are always some free software that you can use and create the magic.

And you should choose one that is going to perform the task you want to and at the level of quality you want to reach. When choosing any 3d software, you need to find one that is easy to learn and use, especially if you're beginner.

3d printing programs free