Use basic shapes and sketch any electronic gadget of your choice.

$2$ thick books kept vertically on a table and $1$ pencil box kept on that books, light coming from left top at $45$ degree.

Sketch it with suitable shade and shadows.

Imagine your height is being reduced to $5\mathrm{cm}$ and you are standing on the study table on the keyboard of your computer.

Draw a pencil sketch of the view you will see from there along with the view of your computer.