No need to buy expensive cutters when all you need is a round cutter or glass to make a rose
Tutorial Fiori in Pasta Zucchero ,Gumpaste Dahlia Flower - YouTube
"Rapunzel tutorial" series... #1: Hands... - CakesDecor
I think this is made out of fondant, but you could sculpt it out of clay.
Gerbera Flower Turorial - Step by step - CakesDecor
Icing Tip Sizes | ... Cup Cake Icing Piping Nozzle Pastry Tips Decorating Sugarcraft Tools
Easy Succulent flower tutorial