@bantymom said:
I don't understand about the locking, however. Would you explain further?
Thanks,
Bantymom
In the Windows Menu, open up Entity Information. Now select a component (or a Group, or a number of lines, really) Entity Information will show you all that is needed to be know about your selection. Underneath the informations, there are a series of check boxes: try clicking on the one that says "locked". Now your selection will become red, because you can no longer edit or modify it.
Clicking on "Locked" again will unlock the objects.
You obtain the same effect, right clicking on the selected elements and choosing "lock".
Locking an element guarantees you will not delete a completed component by mistake. Als it lets you use snap point on the locked elements, if you need them as reference for new elements.