If you are looking for these specific files or similar high-quality designs, they are frequently hosted on major 3D design platforms:
Features a large collection of both free and premium pastry nozzle STL files. Download Douilles Stl Щ‚Щ€Ш§Щ„ШЁ part01 rar
Designs for various icing tips (star, leaf, petal) used in cake decorating. If you are looking for these specific files