diff --git a/make b/make
index 8d991dd..2a9d3bc 100755
--- a/make
+++ b/make
@@ -116,7 +116,7 @@ build(){
     for file in dist/xrfragment.{aframe,module,three,three.module,aframe.all}.js; do
       awk 'BEGIN{ 
         print "/*"
-        print " * '"$(git tag)"' generated at '"$(date)"'"
+        print " * '"$(git tag | head -n1)"' generated at '"$(date)"'"
         print " * https://xrfragment.org"
         print " * SPDX-License-Identifier: MPL-2.0"
         print " */"
diff --git a/src/3rd/js/plugin/frontend/$chat.js b/src/3rd/js/plugin/frontend/$chat.js
index 6abd17c..ba3ff79 100644
--- a/src/3rd/js/plugin/frontend/$chat.js
+++ b/src/3rd/js/plugin/frontend/$chat.js
@@ -409,9 +409,13 @@ chatComponent.css = `
       margin:0;
     }
 
+    .envelope{
+      margin-right:15px;
+      max-width:80%;
+    }
+
     .envelope,
     .envelope * {
-      overflow:hidden;
       transition:1s;
       pointer-events:none;
     }
diff --git a/src/3rd/js/plugin/frontend/accessibility.js b/src/3rd/js/plugin/frontend/accessibility.js
index 3d9f014..e93de4a 100644
--- a/src/3rd/js/plugin/frontend/accessibility.js
+++ b/src/3rd/js/plugin/frontend/accessibility.js
@@ -101,14 +101,50 @@ window.accessibility = (opts) => new Proxy({
     setTimeout( () => this.initCommands(), 200 )
     // auto-enable if previously enabled
     if( window.localStorage.getItem("accessibility") ){
-      setTimeout( () => this.enabled = true, 100 )
+      setTimeout( () => {
+        this.enabled = true
+        this.setFontSize()
+      }, 100 )
     }
   },
 
   initCommands(){
+
     document.addEventListener('chat.command.help', (e) => {
       e.detail.message += `<br><b class="badge">/fontsize <number></b> set fontsize (default=14) `
     })
+
+    document.addEventListener('chat.command', (e) => {
+      if( e.detail.message.match(/^fontsize/) ){
+        try{
+          let fontsize = parseInt( e.detail.message.replace(/^fontsize /,'').trim() )
+          if( fontsize == NaN ) throw 'not a number'
+          this.setFontSize(fontsize)
+          $chat.send({message:'fontsize set to '+fontsize})
+        }catch(e){
+          console.error(e)
+          $chat.send({message:'example usage: /fontsize 20'})
+        }
+      }
+    })
+
+  },
+
+  setFontSize(size){
+    if( size ){
+      window.localStorage.setItem("fontsize",size)
+    }else size = window.localStorage.getItem("fontsize")
+    if( !size ) return 
+    document.head.innerHTML += `
+      <style type="text/css">
+        .accessibility #messages * {
+          font-size: ${size}px !important;
+          line-height: ${size*2}px !important;
+        }
+      </style>
+    `
+    $messages = document.querySelector('#messages')
+    setTimeout( () => $messages.scrollTop = $messages.scrollHeight, 1000 )
   },
 
   posToMessage(opts){
@@ -182,9 +218,6 @@ document.querySelector('head').innerHTML += `
       padding-top:15px;
       padding-bottom:15px;
     }
-    .accessibility .transcript {
-      max-height:unset;
-    }
     .accessibility #chatbar{
       display: block !important;
     }
diff --git a/src/3rd/js/plugin/frontend/css.js b/src/3rd/js/plugin/frontend/css.js
index 644649f..ebdbe19 100644
--- a/src/3rd/js/plugin/frontend/css.js
+++ b/src/3rd/js/plugin/frontend/css.js
@@ -370,7 +370,7 @@ document.head.innerHTML += `
 
   .transcript{
     max-height:105px;
-    max-width:405px;
+    width:100%;
     overflow-y:auto;
     border: 1px solid var(--xrf-gray);
     border-radius: 5px;
diff --git a/src/3rd/js/plugin/vendors/README.md b/src/3rd/js/plugin/vendors/README.md
new file mode 100644
index 0000000..291fbed
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/README.md
@@ -0,0 +1,4 @@
+vendor specific macros are meta-dat mappings which translate to vendor specific features:
+
+'-three-fog' : '10,100'    ==> three/fog.js ==> scene.fog = new THREE.Fog( scene.background, v.x, v.y );
+
diff --git a/src/3rd/js/plugin/vendors/spec.json b/src/3rd/js/plugin/vendors/spec.json
new file mode 100644
index 0000000..e9a6a9f
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/spec.json
@@ -0,0 +1,6 @@
+{
+  "-{vendor}-fog": {
+    "near": "x",
+    "far":  "y"
+  }
+}
diff --git a/src/3rd/js/plugin/vendors/three/README.md b/src/3rd/js/plugin/vendors/three/README.md
new file mode 100644
index 0000000..8370beb
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/README.md
@@ -0,0 +1 @@
+currently broken
diff --git a/src/3rd/js/plugin/vendors/three/fragments.js b/src/3rd/js/plugin/vendors/three/fragments.js
new file mode 100644
index 0000000..16280c9
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/fragments.js
@@ -0,0 +1,10 @@
+xrf.frag.clip = function(v, opts){
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+
+  if( v.x == 0 ) v.x = 1;  // THREE.js .near restriction
+  console.log("└ clip "+v.x+","+v.y);
+
+  camera.near = v.x
+  camera.far  = v.y
+  camera.updateProjectionMatrix();
+}
diff --git a/src/3rd/js/plugin/vendors/three/metadata.js b/src/3rd/js/plugin/vendors/three/metadata.js
new file mode 100644
index 0000000..a68f4de
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/metadata.js
@@ -0,0 +1,16 @@
+xrf.addEventListener('-three-fog', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  let v = frag.fog
+  console.log("└ threejs fog "+v.x+","+v.y);
+  if( v.x == 0 && v.y == 0 ){  
+    if( scene.fog ) delete scene.fog
+    scene.fog = null;
+  }else scene.fog = new THREE.Fog( scene.background, v.x, v.y );
+})
+
+xrf.addEventListener('bg', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  console.log("└ bg "+v.x+","+v.y+","+v.z);
+  if( scene.background ) delete scene.background
+  scene.background = new THREE.Color( v.x, v.y, v.z )
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/env.js b/src/3rd/js/plugin/vendors/three/refactor/env.js
new file mode 100644
index 0000000..04885f1
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/env.js
@@ -0,0 +1,15 @@
+xrf.addEventListener('env', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  if( frag.env && !scene.environment ){
+    //let env = scene.getObjectByName(frag.env.string)
+    //if( !env ) env = xrf.scene.getObjectByName(frag.env.string) // repurpose from parent scene
+    //if( !env ) return console.warn("xrf.env "+frag.env.string+" not found")
+    //env.material.map.mapping = THREE.EquirectangularReflectionMapping;
+    //scene.environment = env.material.map
+    //scene.texture = env.material.map    
+ //   renderer.toneMapping = THREE.ACESFilmicToneMapping;
+ //   renderer.toneMappingExposure = 2;
+  //  console.log(`   └ applied image '${frag.env.string}' as environment map`)
+  }
+
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/fov.js b/src/3rd/js/plugin/vendors/three/refactor/fov.js
new file mode 100644
index 0000000..047cd7f
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/fov.js
@@ -0,0 +1,7 @@
+xrf.frag.fov = function(v, opts){
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+
+  console.log("└ fov "+v.int);
+  camera.fov = v.int;
+  camera.updateProjectionMatrix();
+}
diff --git a/src/3rd/js/plugin/vendors/three/refactor/macro.js b/src/3rd/js/plugin/vendors/three/refactor/macro.js
new file mode 100644
index 0000000..1cfb366
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/macro.js
@@ -0,0 +1,71 @@
+xrf.macros = {}
+
+xrf.addEventListener('frag2mesh', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE, hashbus} = opts
+
+  for( let k in frag ){
+    let id = mesh.name+"_"+k
+    let fragment = frag[k]
+
+    if( k.match(/^!/) ){
+      if( mesh.material) mesh.material = mesh.material.clone()
+      if( mesh.isSRC || scene.isSRC ) return; // dont allow recursion for now
+
+      if( xrf.macros[k] ) return // already initialized  
+
+      console.log("└ initing xrmacro: "+k)
+      xrf.macros[k] = fragment
+      fragment.args = fragment.string.split("|")
+
+      fragment.trigger = (e) => {
+        xrf
+        .emit('macro',{click:true,mesh,xrf:frag}) // let all listeners agree
+        .then( () => {
+              rrFrag = fragment.args[ xrf.roundrobin( fragment,model) ]
+              console.log("└ xrmacro: "+rrFrag)
+              if( xrf.macros[ rrFrag ] ){
+                xrf.macros[ rrFrag ].trigger()
+              } else {
+                xrf.navigator.to( rrFrag,null,0)
+              }
+        }) 
+      }
+
+      let selected = (state) => () => {
+        if( mesh.selected == state ) return // nothing changed 
+        if( mesh.material ){
+          if( mesh.material.uniforms ) mesh.material.uniforms.selected.value = state 
+          else mesh.material.color.r = mesh.material.color.g = mesh.material.color.b = state ? 2.0 : 1.0
+        }
+        // update mouse cursor
+        if( !renderer.domElement.lastCursor )
+          renderer.domElement.lastCursor = renderer.domElement.style.cursor
+        renderer.domElement.style.cursor = state ? 'pointer' : renderer.domElement.lastCursor 
+        xrf
+        .emit('macro',{selected:state,mesh,xrf:frag}) // let all listeners agree
+        .then( () => mesh.selected = state )
+      }
+
+      mesh.addEventListener('click', fragment.trigger )
+      mesh.addEventListener('mousemove', selected(true) )
+      mesh.addEventListener('nocollide', selected(false) )
+
+      // lazy add mesh to interactive group (because we're inside a recursive traverse)
+      setTimeout( (mesh) => {
+        const world = { 
+          pos: new THREE.Vector3(), 
+          scale: new THREE.Vector3(),
+          quat: new THREE.Quaternion()
+        }
+        mesh.getWorldPosition(world.pos)
+        mesh.getWorldScale(world.scale)
+        mesh.getWorldQuaternion(world.quat);
+        mesh.position.copy(world.pos)
+        mesh.scale.copy(world.scale)
+        mesh.setRotationFromQuaternion(world.quat);
+        xrf.interactive.add(mesh)
+        xrf.emit('interactionReady', {mesh,xrf:fragment, clickHandler: fragment.trigger})
+      }, 10, mesh )
+    }
+  }
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/mov.js b/src/3rd/js/plugin/vendors/three/refactor/mov.js
new file mode 100644
index 0000000..90431e4
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/mov.js
@@ -0,0 +1,12 @@
+xrf.addEventListener('mov', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  if( frag.mov && frag.q ){
+
+    // let wait for the queried objects (as we're inside promise which traverses the graph)
+    setTimeout( (v) => {
+      frag.q.getObjects().map( (o) => {
+        o.position.add( new THREE.Vector3( v.x, v.y, v.z ) )
+      })
+    },10, frag.mov )
+  }
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/pos.js b/src/3rd/js/plugin/vendors/three/refactor/pos.js
new file mode 100644
index 0000000..493643a
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/pos.js
@@ -0,0 +1,14 @@
+xrf.addEventListener('pos', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  //if( frag.pos && frag.q ){
+  //  // apply roundrobin (if any)
+  //  if( v.args ) v = v.args[ xrf.roundrobin(v,model) ]
+
+  //  frag.q.getObjects().map( (o) => {
+  //    // if object has no parent (name == 'Scene') use absolute positioning, otherwise relative to parent
+  //    o.position.x = o.parent.name == 'Scene' ? v.x : o.positionOriginal.x + v.x
+  //    o.position.y = o.parent.name == 'Scene' ? v.z : o.positionOriginal.y + v.z
+  //    o.position.z = o.parent.name == 'Scene' ? v.y : o.positionOriginal.z + v.y
+  //  })
+  //}
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/rot.js b/src/3rd/js/plugin/vendors/three/refactor/rot.js
new file mode 100644
index 0000000..efb3e96
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/rot.js
@@ -0,0 +1,17 @@
+xrf.addEventListener('rot', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  if( frag.rot && frag.q ){
+    // apply roundrobin (if any)
+    if( v.args ) v = v.args[ xrf.roundrobin(v,model) ]
+
+    if( frag.q ){ // only operate on queried object(s)
+      frag.q.getObjects().map( (o) => {
+        o.rotation.set( 
+          v.x * Math.PI / 180,
+          v.y * Math.PI / 180,
+          v.z * Math.PI / 180
+        )
+      })
+    }
+  }
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/scale.js b/src/3rd/js/plugin/vendors/three/refactor/scale.js
new file mode 100644
index 0000000..35fb241
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/scale.js
@@ -0,0 +1,13 @@
+xrf.addEventListener('scale', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  if( frag.scale && frag.q ){
+    // apply roundrobin (if any)
+    if( v.args ) v = v.args[ xrf.roundrobin(v,model) ]
+
+    frag.q.getObjects().map( (o) => {
+      o.scale.x = v.x
+      o.scale.y = v.y
+      o.scale.z = v.z
+    })
+  }
+})
diff --git a/src/3rd/js/plugin/vendors/three/refactor/show.js b/src/3rd/js/plugin/vendors/three/refactor/show.js
new file mode 100644
index 0000000..8aa23f3
--- /dev/null
+++ b/src/3rd/js/plugin/vendors/three/refactor/show.js
@@ -0,0 +1,17 @@
+xrf.addEventListener('show', (opts) => {
+  let { frag, mesh, model, camera, scene, renderer, THREE} = opts
+  if( frag.show && frag.q ){
+    let show = frag.show
+
+    // apply roundrobin (if any)
+    if( show.args ) v = show.args[ xrf.roundrobin(show,model) ]
+    else v = show.int
+
+    // let wait for the queried objects (as we're inside promise which traverses the graph)
+    setTimeout( (v) => {
+      frag.q.getObjects().map( (o) => {
+        o.visible = v.int == 1;
+      })
+    }, 20, v)
+  }
+})