Motivation
The motivation to create this GGB book arises from the exploration of the possible ways to introduce technology in the classroom to motivate students and to make a proper use of technology in class. 3D printings are here to stay and making a good use of such resources in class can be motivating for students but also may improve the understanding of certain topics. At the start when I first wanted to 3d print form GeoGebra I found a lot of difficulties due to the fact that the only tutorial I found was: https://www.geogebra.org/m/pjbms8sy it explains how to export to STL files and have several examples but when I tried to create my own files I found myself with zero-thickens objects and things that could not be recognized in the STL files or in the 3d printing software. In this book I am adding the solutions to the problems I found and some didactic approach from a teacher's point of view that I hope is of use if you want to try this ideas in class. I am sure that any average GeoGebra user is able of finding it's own way to do this but as I spent a lot of time revising forums and asking questions I am trying to make it easier for other users to create significant advances and not spend so much time figuring this our.