Your phone is your 3D scanner
Or it can be, with the amazing ProtoFly project . In short it allows you to take a few pictures of an object and using their Windows-only software pictures are uploaded to Autodesk servers and a 3D model of your scene is obtained. Either small objects, the interior of a room or the outside of a building can be "scanned" just with a cellphone camera. And don't underestimate the power of this technique ( photogrammetry ). I have been more than impressed with the quality of the output mesh. And given that the service is free of charge I cannot complain about the price :-) Once you've got the 3D model of your scene the next problem is how can you start editing it and showing it to others. I have found a very nice piece of software called MeshLab that does a great job and it is a multi-platform open-source solution. But the coolest thing is that there are some cellphone apps that can show a 3D object too. I am still fighting with one of them called " Shader Devel and