Password protected sketchbook

Contains the vector art for laser cuting the wheels i used for my password protected sketchbook :
https://www.youtube.com/watch?v=lZNVEd8PPSQ

Instructable page :
http://www.instructables.com/id/Password-protected-sketchbook/

Feel free to use them as is or to enhance them as you wish :)

If you want to do the same but with different codes, think about updating the engraving on the top holder !
Squares tell the knocking rythm and roman numerals tell the notes to play on the piano.