[cnevians]

very simple...

select more 2 groups ..
create with a component ...
edit component
explode all groups in component ..
select all polygons (already in "edit component ")
maxwell plugin set plastic to all ...
clic "ok" ..
and .. and .. "outliner" windows "flash" lot of ...
and sketchup freeze ...

any idea ?

edit : sorry it's not a bug ...
sketchup give control after 5 minustes ...
to slown to write bug report...