WillAdams writes: From the license for the new SketchUp Make (which replaces Google's free version and complements the paid version) Trimble Navigation Limited... gives you a... license to use the... Software for non-commercial use only. Non-commercial use means: you may not sell, rent, lease or lend the output of the Software or the Services. If you are... engaged in commercial activity; therefore, in order to use the Software and Services, you must purchase a SketchUp Pro license. In addition to the basic $495 licensing fee, one must pay an annual $95 fee for maintenance & support.
WillAdams writes: SpaceX founder Elon Musk wants to create a colony on Mars consisting of a population of 80,000, ferried to the planet in a reusable rocket. For the initial trip, the rocket would contain fewer than 10 humans, and enough equipment to found a colony ready for the other 79,990.