diff --git a/src/add/array.js b/src/add/array.js
index f0632d02..66b14d38 100644
--- a/src/add/array.js
+++ b/src/add/array.js
@@ -173,6 +173,24 @@
         return this.filter(v => isNaN(v)).length > 0;
     };
 
+    // wrap a function and unroll the first parameter into
+    // successive function calls if it is an array
+    Array.handle = function(fn) {
+        return function() {
+            let args = [...arguments];
+            let val = args.shift();
+            if (Array.isArray(val)) {
+                let rv = [];
+                for (let v of val.slice()) {
+                    rv.push(fn(v, ...args));
+                }
+                return rv;
+            } else {
+                return fn(val, ...args);
+            }
+        }
+    };
+
     for (let i in AP) {
         Object.defineProperty(Array.prototype, i, {
             value: AP[i],
diff --git a/src/main/mesh.js b/src/main/mesh.js
index 2b446998..6d09c0e8 100644
--- a/src/main/mesh.js
+++ b/src/main/mesh.js
@@ -85,8 +85,7 @@ broker.subscribe('space_init', data => {
 // add object loader
 broker.subscribe('space_load', data => {
     for (let od of data) {
-        let obj = new mesh.object(od);
-        moto.Space.world.add(obj.mesh);
+        mesh.api.models.add(new mesh.model(od));
     }
 });
 
@@ -107,7 +106,8 @@ gapp.finalize("main.mesh", [
     "moto.client",  // dep: moto.client
     "moto.broker",  // dep: moto.broker
     "moto.space",   // dep: moto.space
-    "mesh.object",  // dep: mesh.object
+    "mesh.api",     // dep: mesh.api
+    "mesh.model",   // dep: mesh.model
     "load.file",    // dep: load.file
 ]);
 
diff --git a/src/mesh/api.js b/src/mesh/api.js
new file mode 100644
index 00000000..76aac982
--- /dev/null
+++ b/src/mesh/api.js
@@ -0,0 +1,42 @@
+/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+
+"use strict";
+
+(function() {
+
+// dep: ext.three
+// dep: ext.three-bgu
+gapp.register("mesh.api", [
+    "moto.license", // dep: moto.license
+    "moto.client",  // dep: moto.client
+    "moto.space",   // dep: moto.space
+    "mesh.tool",    // dep: mesh.tool
+    "add.array",    // dep: add.array
+]);
+
+let mesh = self.mesh = self.mesh || {};
+if (mesh.api) return;
+
+let space = moto.Space;
+let models = [];
+
+let api = mesh.api = {
+
+    models: {
+        all: models,
+
+        add: model => {
+            if (!models.contains(model)) {
+                space.model.add(model.mesh);
+                models.push(model);
+            }
+        },
+
+        remove: Array.handle(model => {
+            space.model.remove(model.mesh);
+            models.remove(model);
+        })
+    }
+};
+
+})();
diff --git a/src/mesh/object.js b/src/mesh/model.js
similarity index 89%
rename from src/mesh/object.js
rename to src/mesh/model.js
index 999d9f76..86458ff3 100644
--- a/src/mesh/object.js
+++ b/src/mesh/model.js
@@ -4,14 +4,15 @@
 
 (function() {
 
-gapp.register("mesh.object", [
+gapp.register("mesh.model", [
     "add.three",    // dep: add.three
     "moto.license", // dep: moto.license
 ]);
 
 let mesh = self.mesh = self.mesh || {};
-if (mesh.object) return;
+if (mesh.model) return;
 
+/** default materials **/
 mesh.material = {
     solid: new THREE.MeshPhongMaterial({
         transparent: true,
@@ -22,7 +23,8 @@ mesh.material = {
     })
 };
 
-mesh.object = class MeshObject {
+/** 3D model rendered on plaform **/
+mesh.model = class MeshModel {
     constructor(data) {
         let { file, mesh } = data;
 
diff --git a/src/mesh/tool.js b/src/mesh/tool.js
index 12930787..eba6f59a 100644
--- a/src/mesh/tool.js
+++ b/src/mesh/tool.js
@@ -8,8 +8,9 @@
 gapp.register("mesh.tool");
 
 let mesh = self.mesh = self.mesh || {};
-if (mesh.object) return;
+if (mesh.tool) return;
 
+/** tool for identiying defects and healing them **/
 mesh.tool = class MeshTool {
     constructor(params = {}) {
         this.precision = Math.pow(10, params.precision || 6);
diff --git a/src/moto/space.js b/src/moto/space.js
index 83059137..4a2d58e7 100644
--- a/src/moto/space.js
+++ b/src/moto/space.js
@@ -954,6 +954,19 @@
             active: updateLastAction
         },
 
+        // wraps WORLD add/remove with immediate refresh
+        model: {
+            add: mesh => {
+                WORLD.add(mesh);
+                refresh();
+            },
+
+            remove: (mesh) => {
+                WORLD.remove(mesh);
+                refresh();
+            }
+        },
+
         world: WORLD,
 
         platform: {