The basic rule of this design game will be to reduce the construction to the essentials without compromising functionality.
A few things to consider:
The aim is to make a simple support for the laptop which makes it stand about 5-10o
in respect to the desk. It must be stable with smooth contacts on both surfaces and allow ventilation underneath, It must also be small in dimensions and lightweight to have a place in the laptop bag.
Easy to make
A few common tools and about one hour for building.
Beauty of form
Simple geometric forms.Think of terms of cylinders, triangles, circles, trapezoids or whatever else may have a purpose in the construction. Take care to match materials and colours.
in the process, is an additional plus.