With Maxwell Proxy item you can integrate Maxwell Proxy objects into the modo scene. It means you can merge whole Maxwell scenes into your modo scene without slowing down your viewport.
MXS Reference
The attached mxs file.
Scene Bounding Box
Show/hide the Bounding Box of the referenced scene.
Item Bounding Boxes
Show/hide the object Bounding Boxes of the referenced mxs scene.
Vertices
Show/hide the object vertices of the referenced mxs scene.
You can use Maxwell Proxy item as a modo Replicator prototype.