Well, I find these placemats really beautiful :)
Addendum: Hrmpf, the link doesn’t work anymore (thanks, Kalinumba!) and I didn’t find it in webarchive either.
It works in principle like here, but the cutlery has simply been laid down and then the bleach has been sprayed over.
Project: Bleach Stencil Placemats
Works in principle like here:
Bleach Design Tees with Freezer Paper