which creative common license for your project ?

Most fablab projects might be free of right. Free of right doesn't mean you don't need to protect them from malevolent use. If you offer the plans and documentation of your project for free, you probably want to prevent your project to be re-used by someone who wants to make a business with it without telling you.
Licences
Contents on our fablab's website are under a CC License:

Licence Creative Commons
Fablab Digiscope de Romain Di Vozzo est mis à disposition selon les termes de la licence Creative Commons Attribution - Pas d’Utilisation Commerciale - Partage dans les Mêmes Conditions 4.0 International.
Fondé(e) sur une œuvre à www.fablabdigiscope.wordpress.com.
Les autorisations au-delà du champ de cette licence peuvent être obtenues à fablabdigiscope@gmail.com.
So please visit the Creative Common website to understand how CC works.
To obtain a Creative Common logo and certification for your works, please got to http://creativecommons.org/choose/.