diff --git a/generated/COMPONENT_TYPES.md b/generated/COMPONENT_TYPES.md
index a792aa4b..73473428 100644
--- a/generated/COMPONENT_TYPES.md
+++ b/generated/COMPONENT_TYPES.md
@@ -98,7 +98,7 @@ export const cadModelJscad = cadModelBase.extend({
 })
 export const cadModelProp = z.union([
   z.null(),
-  url,
+  z.string().min(1),
   z.custom<ReactElement>((v) => {
     return v && typeof v === "object" && "type" in v && "props" in v
   }),
diff --git a/lib/common/cadModel.ts b/lib/common/cadModel.ts
index 2a3e7207..6bedd841 100644
--- a/lib/common/cadModel.ts
+++ b/lib/common/cadModel.ts
@@ -113,10 +113,18 @@ export const cadModelJscad = cadModelBase.extend({
   jscad: z.record(z.any()),
 })
 
+/**
+ * A Footprinter string used to procedurally generate the component's CAD model,
+ * independently of the component's PCB footprint.
+ *
+ * @example "soic8"
+ */
+export type CadModelFootprinterString = string
+
 export type CadModelProp =
   | null
-  | string
   | ReactElement
+  | CadModelFootprinterString
   | CadModelStl
   | CadModelObj
   | CadModelGltf
@@ -127,7 +135,7 @@ export type CadModelProp =
 
 export const cadModelProp = z.union([
   z.null(),
-  url,
+  z.string().min(1),
   z.custom<ReactElement>((v) => {
     return v && typeof v === "object" && "type" in v && "props" in v
   }),
diff --git a/tests/cad-model-prop.test.ts b/tests/cad-model-prop.test.ts
new file mode 100644
index 00000000..d32f3fe9
--- /dev/null
+++ b/tests/cad-model-prop.test.ts
@@ -0,0 +1,15 @@
+import { expect, test } from "bun:test"
+import { cadModelProp } from "../lib/common/cadModel"
+import { chipProps } from "../lib/components/chip"
+
+test("cadModel accepts a Footprinter string as the procedural model", () => {
+  expect(cadModelProp.parse("soic8")).toBe("soic8")
+  expect(() => cadModelProp.parse("")).toThrow()
+
+  const parsedChip = chipProps.parse({
+    name: "U1",
+    cadModel: "soic8",
+  })
+
+  expect(parsedChip.cadModel).toBe("soic8")
+})