Download some tutorials with detailed explanations. Some are to be done in classes.
-4 Octo 2015 - Sheet Metal part on assembly: ArduinoLCD.zip
-27 Sept 2015 - Making a Chair (Autodesk Inventor)
-25 Sept 2015 - Surface Body of an airplane (Solid Works)
-21 Setp 2015 - Shaft and pulley (Autodesk Inventor)
-20 Sept 2015 - Bottle (Solid Works)
-20 Sept 2015 - Introdução ao Autodesk Inventor (pdf in Portuguese)