Today we use this presentation (author Nareek, taken from slideshare) about the theory of solid modelling, which will be conceptual introduction to 3D printing, a technique that is getting more and more popular in teaching and learning.

First, we'll start with a short introduction:
https://www.youtube.com/watch?v=Vx0Z6LplaMU

You should also, on your own,  watch this youtube video:
https://www.youtube.com/watch?v=G0EJmBoLq-g

Then we'll start using freecad - so please download it on your PCs before the lesson, from here: https://www.freecadweb.org/wiki/Download/en If anybody is interested in assisting remotely at the lecture, please contact me so that we can set up a Skype connection like we did on Nov. 23