diff --git a/fixtures/assets/tiny-triangle-draco.glb b/fixtures/assets/tiny-triangle-draco.glb
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diff --git a/src/viewport-three/viewport-entity-markers.ts b/src/viewport-three/viewport-entity-markers.ts
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+++ b/src/viewport-three/viewport-entity-markers.ts
@@ -0,0 +1,60 @@
+import { BoxGeometry, CylinderGeometry, Mesh, MeshStandardMaterial, TorusGeometry } from "three";
+
+const SOUND_EMITTER_CABINET_SIZE = {
+  x: 0.38,
+  y: 0.5,
+  z: 0.18
+};
+
+const SOUND_EMITTER_FRONT_OFFSET = 0.1;
+const SOUND_EMITTER_TWEEETER_RADIUS = 0.045;
+const SOUND_EMITTER_TWEETER_Y = 0.15;
+const SOUND_EMITTER_WOOFER_RADIUS = 0.11;
+const SOUND_EMITTER_WOOFER_Y = -0.08;
+
+function createSpeakerMaterial(color: number, selected: boolean, emissiveIntensity: number, roughness: number, metalness: number) {
+  return new MeshStandardMaterial({
+    color,
+    emissive: color,
+    emissiveIntensity: selected ? emissiveIntensity : emissiveIntensity * 0.35,
+    roughness,
+    metalness
+  });
+}
+
+export function createSoundEmitterMarkerMeshes(markerColor: number, selected: boolean): Mesh[] {
+  const cabinet = new Mesh(
+    new BoxGeometry(SOUND_EMITTER_CABINET_SIZE.x, SOUND_EMITTER_CABINET_SIZE.y, SOUND_EMITTER_CABINET_SIZE.z),
+    createSpeakerMaterial(0x23272e, selected, 0.08, 0.88, 0.02)
+  );
+
+  const tweeterRing = new Mesh(
+    new TorusGeometry(SOUND_EMITTER_TWEEETER_RADIUS, 0.012, 8, 18),
+    createSpeakerMaterial(markerColor, selected, 0.22, 0.4, 0.04)
+  );
+  tweeterRing.rotation.x = Math.PI * 0.5;
+  tweeterRing.position.set(0, SOUND_EMITTER_TWEETER_Y, SOUND_EMITTER_FRONT_OFFSET);
+
+  const tweeterCone = new Mesh(
+    new CylinderGeometry(SOUND_EMITTER_TWEEETER_RADIUS * 0.58, SOUND_EMITTER_TWEEETER_RADIUS * 0.58, 0.028, 18),
+    createSpeakerMaterial(0x14171c, selected, 0.08, 0.68, 0.01)
+  );
+  tweeterCone.rotation.x = Math.PI * 0.5;
+  tweeterCone.position.set(0, SOUND_EMITTER_TWEETER_Y, SOUND_EMITTER_FRONT_OFFSET + 0.006);
+
+  const wooferRing = new Mesh(
+    new TorusGeometry(SOUND_EMITTER_WOOFER_RADIUS, 0.016, 8, 20),
+    createSpeakerMaterial(markerColor, selected, 0.22, 0.42, 0.04)
+  );
+  wooferRing.rotation.x = Math.PI * 0.5;
+  wooferRing.position.set(0, SOUND_EMITTER_WOOFER_Y, SOUND_EMITTER_FRONT_OFFSET);
+
+  const wooferCone = new Mesh(
+    new CylinderGeometry(SOUND_EMITTER_WOOFER_RADIUS * 0.6, SOUND_EMITTER_WOOFER_RADIUS * 0.6, 0.032, 20),
+    createSpeakerMaterial(0x14171c, selected, 0.08, 0.72, 0.01)
+  );
+  wooferCone.rotation.x = Math.PI * 0.5;
+  wooferCone.position.set(0, SOUND_EMITTER_WOOFER_Y, SOUND_EMITTER_FRONT_OFFSET + 0.007);
+
+  return [cabinet, tweeterRing, tweeterCone, wooferRing, wooferCone];
+}