diff --git a/custom_shapes.js b/custom_shapes.js
new file mode 100644
index 0000000..a9a51c7
--- /dev/null
+++ b/custom_shapes.js
@@ -0,0 +1,79 @@
+//use addShape("<name>",{url:"<image url>"}); and then use it in any function that can use shapes
+//to use this script in your mod you can use the addMod function
+const customImageCache = Object.create(null);
+const originalLoadImage = window.loadImage;
+window.loadImage = function (src) {
+    if (typeof src === "string" && src.includes("/shapes/")) {
+        const name = src.split("/").pop().replace(/\.(png|jpg|jpeg|webp)$/i, "");
+        if (customImageCache[name]) return customImageCache[name];
+    }
+    return originalLoadImage(src);
+};
+
+function applyBasePhysicsToShape(shapeName) {
+    if (!window.shapeMeta || !window.shapes) return false;
+    const targetMeta = window.shapeMeta[shapeName];
+    const targetImg = window.shapes[shapeName];
+    if (!targetMeta) return false;
+    const base = window.shapeMeta.cube || window.shapeMeta.square || window.shapeMeta.block || window.shapeMeta.tile || window.shapeMeta.plate;
+    if (!base) return false;
+    try {
+        Object.keys(base).forEach(function (k) {
+            if (!(k in targetMeta)) targetMeta[k] = base[k];
+        });
+    } catch (e) {}
+    if (targetImg && typeof targetImg === "object") {
+        try {
+            Object.keys(base).forEach(function (k) {
+                if (!(k in targetImg)) targetImg[k] = base[k];
+            });
+        } catch (e) {}
+    }
+    customImageCache[shapeName] = customImageCache[shapeName] || {};
+    customImageCache[shapeName].physicsApplied = true;
+    return true;
+}
+
+window.addShape = (function (origAdd) {
+    return function (shapeName, options) {
+        if (!options || !options.url) return;
+        const img = new Image();
+        img.crossOrigin = "anonymous";
+        img.src = options.url;
+        customImageCache[shapeName] = img;
+        window.shapes = window.shapes || {};
+        window.shapeMeta = window.shapeMeta || {};
+        window.shapeMeta.short = window.shapeMeta.short || [];
+        window.shapes[shapeName] = img;
+        window.shapeMeta[shapeName] = function (c, x, y, w, h) {
+            if (img.complete && img.naturalWidth) {
+                c.drawImage(img, x - w / 2, y - h / 2, w, h);
+            }
+        };
+        if (!window.shapeMeta.short.includes(shapeName)) window.shapeMeta.short.push(shapeName);
+        if (!applyBasePhysicsToShape(shapeName)) {
+            let attempts = 0;
+            const maxAttempts = 60;
+            const iv = setInterval(function () {
+                attempts += 1;
+                if (applyBasePhysicsToShape(shapeName) || attempts >= maxAttempts) {
+                    clearInterval(iv);
+                }
+            }, 100);
+            }
+        return;
+    };
+})(window.addShape);
+
+const originalAddIngredient = window.addIngredient;
+window.addIngredient = function (id, data) {
+    if (!data) return originalAddIngredient(id, data);
+    if (data.shape && customImageCache[data.shape]) {
+        if (data.scale == null) data.scale = 0.1;
+        if (data.stackable == null) data.stackable = true;
+        if (data.solid == null) data.solid = true;
+        if (data.collides == null) data.collides = true;
+        if (data.stack == null) data.stack = true;
+    }
+    return originalAddIngredient(id, data);
+};