Update Piper's silhouette

presets/characters.js

@@ -5867,7 +5867,8 @@ characterMakers.push(() => makeCharacter(
             name: "Front",
             image: {
                 source: "./media/characters/piper/front.svg",
-                extra: 3928 / 3681
+                extra: 3948/3655,
+                bottom: 0/3948
             }
         },
     },