@Ailantd So that you can easily take them out after scanning? :D
You can get magic scanner-invisible pencils too that are in a special blue colour :O
@Ailantd AGH i love the way you draw robots and machinery and stuff
you get it!!!
@Ailantd - On a somewhat related tangent...
A site that might come in handy some day:
https://incompetech.com/graphpaper/
@SchickeSchickeSchweine
I created one once. It has just one old video: Maybe I should work on that, but I sadly don't have much time for it: