CC BY-NC-SA. Paz Carpintero Fraile and Rosa Fernndez Alba

I am a portrait. My lines are ragged and thick. I am a landscape. My strokes are sharp, my lines are wavy.

I am a portrait. My lines are sharp, curved and thick.

I am an abstract painting. I look like a 3D perspective. My lines are sharp and straight.

CC BY-NC-SA. Paz Carpintero Fraile and Rosa Fernndez Alba

I am an abstract painting. My lines are perpendicular, sharp and straight.

I am an abstract painting. My lines are sharp and thin. Some of them are curved and others are straight.