diff --git a/src/index.ts b/src/index.ts
index 1a91702..1921c7c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,7 +13,7 @@ import {
     WebXRCamera,
 } from '@babylonjs/core/Legacy/legacy';
 
-import { activeFloorMeshes, ShapeTree } from './shapes.js';
+import { activeFloorMeshes, ShapeTree, builder as B } from './shapes.js';
 import { startEngine, CreatedScene } from './engine.js';
 import { uuid } from './uuid.js';
 
@@ -98,29 +98,15 @@ function bootApp(ds: Ref, scene: Scene) {
                         at sceneDs {
                             assert Shapes.Sprite({
                                 name: id,
-                                shape: Shapes.Shape.Nonphysical(Shapes.Nonphysical(
-                                    Shapes.Shape.Move(Shapes.Move({
-                                        v: position.value,
-                                        shape: Shapes.Shape.many([
-                                            Shapes.Shape.Move(Shapes.Move({
-                                                v: Shapes.Vector3({ x: 0, y: -0.9, z: 0}),
-                                                shape: Shapes.Shape.Rotate(Shapes.Rotate.euler({
-                                                    v: Shapes.Vector3({ x: 0, y: rotation.value.y, z: 0 }),
-                                                    shape: Shapes.Shape.Scale(Shapes.Scale({
-                                                        v: Shapes.Vector3({ x: 0.4, y: 1.4, z: 0.1 }),
-                                                        shape: Shapes.Shape.Mesh(Shapes.Mesh.Box(Shapes.Box())),
-                                                    })),
-                                                })),
-                                            })),
-                                            Shapes.Shape.Rotate(Shapes.Rotate.euler({
-                                                v: rotation.value,
-                                                shape: Shapes.Shape.Scale(Shapes.Scale({
-                                                    v: Shapes.Vector3({ x:0.15, y:0.23, z:0.18 }),
-                                                    shape: Shapes.Shape.Mesh(Shapes.Mesh.Box(Shapes.Box())),
-                                                })),
-                                            })),
-                                        ]),
-                                    })))),
+                                shape: B.nonphysical(
+                                    B.move(position.value, B.many([
+                                        B.move({ x: 0, y: -0.9, z: 0 },
+                                               B.rotate({ x: 0, y: rotation.value.y, z: 0 },
+                                                        B.scale({ x: 0.4, y: 1.4, z: 0.1 },
+                                                                B.box()))),
+                                        B.rotate(rotation.value,
+                                                 B.scale({ x: 0.15, y: 0.23, z: 0.18 }, B.box())),
+                                    ]))),
                             });
                         }
                     }
diff --git a/src/shapes.ts b/src/shapes.ts
index 6dd5567..75be4f4 100644
--- a/src/shapes.ts
+++ b/src/shapes.ts
@@ -269,3 +269,24 @@ export function build(name: string, scene: Scene, shape: Shapes.Shape, customize
             })(shape);
     }
 }
+
+export const builder: { [key: string]: (... args: any[]) => Shapes.Shape } = {
+    sphere: () => Shapes.Shape.Mesh(Shapes.Mesh.Sphere(Shapes.Sphere())),
+    box: () => Shapes.Shape.Mesh(Shapes.Mesh.Box(Shapes.Box())),
+    plane: () => Shapes.Shape.Mesh(Shapes.Mesh.Plane(Shapes.Plane())),
+    ground: (v: Shapes.Vector2) => Shapes.Shape.Mesh(Shapes.Mesh.Ground(Shapes.Ground(Shapes.Vector2(v)))),
+    light: (v: Shapes.Vector3) => Shapes.Shape.Light(Shapes.Light(Shapes.Vector3(v))),
+    scale: (v: Shapes.Vector3, shape: Shapes.Shape) => Shapes.Shape.Scale(Shapes.Scale({ v: Shapes.Vector3(v), shape })),
+    move: (v: Shapes.Vector3, shape: Shapes.Shape) => Shapes.Shape.Move(Shapes.Move({ v: Shapes.Vector3(v), shape })),
+    rotate: (v: Shapes.Vector3, shape: Shapes.Shape) => Shapes.Shape.Rotate(Shapes.Rotate.euler({ v: Shapes.Vector3(v), shape })),
+    many: (shapes: Shapes.Shape[]) => Shapes.Shape.many(shapes),
+    texture: (spec: Shapes.TextureSpec, shape: Shapes.Shape) => Shapes.Shape.Texture(Shapes.Texture({ spec, shape })),
+    color: (r: number, g: number, b: number, shape: Shapes.Shape, alpha = 1.0) => {
+        return Shapes.Shape.Color((alpha === 1.0)
+            ? Shapes.Color.opaque({ r, g, b, shape })
+            : Shapes.Color.transparent({ r, g, b, alpha, shape }));
+    },
+    name: (base: string, shape: Shapes.Shape) => Shapes.Shape.Name(Shapes.Name({ base, shape })),
+    floor: (shape: Shapes.Shape) => Shapes.Shape.Floor(Shapes.Floor(shape)),
+    nonphysical: (shape: Shapes.Shape) => Shapes.Shape.Nonphysical(Shapes.Nonphysical(shape)),
+};