PME Garrett frill cutters, pack of 3 (GF241). ABS thermoplastic. Official heading: Classic Shapes Cutters - Garrett Frill Cutter Pk/3 (85 mm / 3.3"). Garrett diameter 85 mm (3.3"). Cut-out diameters: small 22 mm (0.9"), medium 36 mm (1.4"), large 49 mm (1.9"). Official materials: sugar paste (rolled fondant), petal paste (gum paste), marzipan, or craft clays. Official uses: Garrett frills on cakes and desserts; the page also lists borders and plaques. Handwashing recommended. Specs from PME's Garrett Frill Cutter Pk/3 page.
Three Garrett frill cutters. The ruffled skirt on a stacked cake.