This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Royal Astronomical Observatory of the Navy, San Fernando. 3ªEv work. Ragel by Alcazar and Maria Gloria Lara Alfaro in the course of TOS 2nd Bach. Technology. Mule and Professor Jesus Gonzalez Riancho. Secondary Education Institute Sancti Petri, San Fernando Cadiz, Spain