This project was made with vellum paper, the embossing tool from knkusa.com, plus my wonderful KNK Groove-e. I used the following settings: V=450 and F=150. For the notepad cover I used two sheets of computer paper underneath so the embossing would be a little bit deeper and more noticeable. With the Hello Kitty card I did not use anything beneath the vellum.
This is how the card looks as soon the Groove-e machine finished doing her job and before coloring:
This is the card after completion: