Various interesting cases in conjunction with weighing on Shabbos.
Making a Bouquet of Flowers on Shabbos;
cases where one is adding a color on top of the same color (E.g. black on black, blue on blue, red on red, etc.);...
Folding garments that don't have a recognizable crease, folding so that it fits in the drawer or closet, and cleaning off the table after...