I'm a software dev, but I created a card game as a summer side project. In the process, I learned about different types of paper, textures (like linen texture),

I'm a software dev, but I created a card game as a summer side project. In the process, I learned about different types of paper, textures (like linen texture), thickness (GSM - grams per square meter) and that playing cards usually have a layer in the middle that prevents the see-through (white, blue or black core).