Digital art is in a whole different dimension than physical paints or pens. In what way does it connect to the tangible world? Through the principles and elements of design.
Low poly-art is a small corner of the internet where digital artists experiment with and study shapes, colours, shading and structure.
Generally, it’s created in Photoshop and Illustrator, from existing images:
A tutorial can be found here.
Making it from scratch is maddeningly difficult – by god I’ve tried – especially when you’re not an Adobe Suite expert. But, if one were to make it from scratch, it would be an amazing way to learn about the physical structure of the subject you’re illustrating.