All Lessons were created with the application Fluid Designer for 3D Printing.
The Lessons come with 70 videos which can be found at http://www.fluiddesigner.co.uk/fluid-designer-videos/.
You can also do the lesson(s) by following the instructions in the Help window.
If you click on this link you can download an 18 page handout on using Fluid Designer for 3D Printing - http://www.fluiddesigner.co.uk/documents/Fluid%20Designer%20-%20General%20Information.pdf.
This "Blender" file is one of 70 Lessons that can be downloaded from http://www.fluiddesigner.co.uk/download/.
Read the following file to learn how to install all 70 Lessons - http://www.fluiddesigner.co.uk/documents/configure_fluid_designer_for_3d_printing.pdf.
You can download the app Fluid designer for 3D Printing from http://www.fluiddesigner.co.uk/download/.