add shift+v to make all meshes visible

src/main/mesh.js

@@ -323,7 +323,7 @@ function space_init(data) {
                 case 'KeyE':
                     return api.tool.clean();
                 case 'KeyV':
-                    return selection.focus();
+                    return shiftKey ? selection.show() : selection.focus();
                 case 'KeyN':
                     return shiftKey ? estop(evt, api.tool.rename()) : api.normals();
                 case 'KeyW':

src/mesh/api.js

@@ -227,6 +227,12 @@ const selection = {
 
     bounds() {
         return util.bounds(selected.map(s => s.object));
+    },
+
+    show() {
+        for (let m of selection.models()) {
+            m.visible(true);
+        }
     }
 };