diff --git a/src/main/mesh.js b/src/main/mesh.js
index bc63db1b..86e77b5e 100644
--- a/src/main/mesh.js
+++ b/src/main/mesh.js
@@ -38,7 +38,7 @@ function init() {
         grid: { major: 25, minor: 5, majorColor: 0x999999, minorColor: 0xcccccc }
     });
     space.view.setZoom(zoomrev, zoomspd);
-    space.useDefaultKeys(true);
+    space.useDefaultKeys(false);
 
     // trigger space event binding
     broker.send.space_init({ space, platform });
@@ -87,9 +87,27 @@ broker.subscribe('space_init', data => {
         },
         'keypress', evt => {
             switch (evt.code) {
+                case 'KeyC':
+                    api.selection.centerXY();
+                    break;
                 case 'KeyV':
                     api.selection.focus();
                     break;
+                case 'KeyW':
+                    api.selection.wireframe({toggle:true});
+                    break;
+                case 'KeyB':
+                    api.selection.boundsBox({toggle:true});
+                    break;
+                case 'KeyH':
+                    space.view.home();
+                    break;
+                case 'KeyT':
+                    space.view.top();
+                    break;
+                case 'KeyZ':
+                    space.view.reset();
+                    break;
             }
         },
         'keydown', evt => {
@@ -129,7 +147,7 @@ broker.subscribe('space_init', data => {
                     // group.qrotate(q);
                     let e = new THREE.Euler().setFromQuaternion(q);
                     let n = int.face.normal;
-                    // console.log({n,q,e});
+                    console.log({n,q,e});
                     group.rotation(e.x, e.y, e.z);
                     group.floor();
                 } else {
diff --git a/src/mesh/api.js b/src/mesh/api.js
index dafd1580..3b4a271e 100644
--- a/src/mesh/api.js
+++ b/src/mesh/api.js
@@ -37,6 +37,28 @@ let selection = {
         return selected.slice();
     },
 
+    groups() {
+        let all = selection.list();
+        let grp = all.filter(s => s instanceof mesh.group);
+        let mdl = all.filter(s => s instanceof mesh.model);
+        for (let m of mdl) {
+            grp.addOnce(m.group);
+        }
+        return grp;
+    },
+
+    models() {
+        let all = selection.list();
+        let grp = all.filter(s => s instanceof mesh.group);
+        let mdl = all.filter(s => s instanceof mesh.model);
+        for (let g of grp) {
+            for (let m of g.models) {
+                mdl.addOnce(m);
+            }
+        }
+        return mdl;
+    },
+
     // @param group {MeshObject[]}
     set(objects) {
         selected = objects;
@@ -68,11 +90,9 @@ let selection = {
     update() {
         for (let group of groups) {
             group.material(mesh.material.unselected);
-            group.showBounds(true);
         }
         for (let object of selected) {
             object.material(mesh.material.selected);
-            object.showBounds(true);
         }
         return selection;
     },
@@ -120,6 +140,20 @@ let selection = {
         return selection;
     },
 
+    wireframe() {
+        for (let m of selection.models()) {
+            m.wireframe(...arguments);
+        }
+        return selection;
+    },
+
+    boundsBox() {
+        for (let m of selection.groups()) {
+            m.showBounds(...arguments);
+        }
+        return selection;
+    },
+
     home() {
         return selection.centerXY().floor();
     },
@@ -176,10 +210,10 @@ let api = mesh.api = {
             center = { x: 0, y: 0, z: 0 };
         }
         // sets "home" views (front, back, home, reset)
-        space.platform.setCenter(center.x, center.y, center.z);
+        space.platform.setCenter(center.x, -center.y, center.z);
         // sets camera focus
         space.view.setFocus(new THREE.Vector3(
-            center.x, center.z, center.y
+            center.x, center.z, -center.y
         ));
     },
 
diff --git a/src/mesh/model.js b/src/mesh/model.js
index 71dc8cfb..a8babaf2 100644
--- a/src/mesh/model.js
+++ b/src/mesh/model.js
@@ -135,6 +135,9 @@ mesh.model = class MeshModel extends mesh.object {
                 enabled: false
             };
         }
+        if (bool.toggle) {
+            return this.wireframe(this._wire ? false : true);
+        }
         if (this._wire) {
             this.mesh.remove(this._wire);
             this._wire = undefined;
diff --git a/src/mesh/object.js b/src/mesh/object.js
index b80a1f8d..955cb12a 100644
--- a/src/mesh/object.js
+++ b/src/mesh/object.js
@@ -42,7 +42,7 @@ mesh.object = class MeshObject {
 
     centerXY(bounds) {
         let b = bounds || this.bounds();
-        this.move(-b.center.x, b.center.y, 0);
+        this.move(-b.center.x, -b.center.y, 0);
         return this;
     }
 
@@ -64,6 +64,15 @@ mesh.object = class MeshObject {
         moto.Space.update();
     }
 
+    rotate(x = 0, y = 0, z = 0) {
+        if (x) this.object().rotateOnWorldAxis(new THREE.Vector3(1,0,0), x);
+        if (y) this.object().rotateOnWorldAxis(new THREE.Vector3(0,1,0), y);
+        if (z) this.object().rotateOnWorldAxis(new THREE.Vector3(0,0,1), z);
+        this.updateBoundsBox();
+        moto.Space.update();
+        return this;
+    }
+
     // use with caution. frames of reference interfere.
     rotation() {
         let rot = this.object().rotation;
@@ -76,15 +85,7 @@ mesh.object = class MeshObject {
         return this;
     }
 
-    rotate(x = 0, y = 0, z = 0) {
-        if (x) this.object().rotateOnWorldAxis(new THREE.Vector3(1,0,0), x);
-        if (y) this.object().rotateOnWorldAxis(new THREE.Vector3(0,1,0), y);
-        if (z) this.object().rotateOnWorldAxis(new THREE.Vector3(0,0,1), z);
-        this.updateBoundsBox();
-        moto.Space.update();
-        return this;
-    }
-
+    // use with caution. frames of reference interfere.
     qrotate(quaternion) {
         this.object().setRotationFromQuaternion(quaternion);
         this.updateBoundsBox();
@@ -102,7 +103,11 @@ mesh.object = class MeshObject {
     }
 
     showBounds(bool) {
+        if (bool && bool.toggle) {
+            bool = !this._showBounds;
+        }
         this._showBounds = bool;
+        this.updateBoundsBox();
     }
 
     updateBoundsBox() {
@@ -117,7 +122,7 @@ mesh.object = class MeshObject {
                 new THREE.Vector3(center.x, center.y, center.z),
                 new THREE.Vector3(size.x, size.y, size.z)
             );
-            let helper = this._boundsBox = new THREE.Box3Helper(b3, 0xff00ff);
+            let helper = this._boundsBox = new THREE.Box3Helper(b3, 0x1155aa);
             world.add(helper);
         }
     }