If this is a material preset for software like Blender or Marvelous Designer, check your "Library" or "Purchases" on the site where you originally saw the effect.
If this is a Minecraft "Fabric" mod or shader effect, search these sites for "Fabric Formation Effect." Datei herunterladen Fabric_Formation_Effect_V3 ...
Knowing the application will help me find the exact link for you. If this is a material preset for software
Sometimes ad-blockers or "NoScript" extensions can break download buttons. Try disabling them temporarily. Datei herunterladen Fabric_Formation_Effect_V3 ...