Lesson slides: Building a mock-up using recycled materials

Here is link to the lesson slides for Sec 2 DT project on RG machine:

https://www.slideshare.net/Caksback/building-mockups-using-recycled-materials

Worm gear application: Venetian blinds

Here is the video link to application of worm gears in Venetian blinds:

https://www.youtube.com/watch?v=QvLdVWS_DsM

Lesson slides: Sketching to think

Here is the lesson slides on Sketching to think in Idea Conceptualisation.

The link is at:

https://www.slideshare.net/Caksback/sketching-to-think