You can use them on top of your cake and who says it has to be made out of icing?. If the icing is too thin it will run under the stencil. If it is too thick it will leave hard peaks when taking off the stencil.
Vintage Dryad Small Flower Press Wooden Botanical Cottagecore Craft Press
Organza 'Amelia' Flower Hat Mount for Millinery and Fascinators
Amelia Knitting Barber Bag Destash
Tree of life flower press small Travel flower press 20cm x 20cm Tree of life
LAVISH SWIRLS - Decor Mould Re-Design with Prima 3” x 10" - KACHA
Sizzix Bigz Die Vine With Leaves 656525 Foliage Swirls Leaves Discontinued Rare