Design and Technology does not only engage you through your own sketching and design. It has great support from the IT sector, which provides different apps or programmes to boost up your Design. The following are three programmes which can be freely downloaded by clicking in the links found here.

https://inkscape.org/en/  (Graphic Design software)

http://www.sketchup.com/ (3D modeling powered by Google)

https://www.autodesk.com/products/fusion-360/students-teachers-educators (3D modeling powered by AutoDesk)