WIP TUTORIAL layers - tags THE METHOD to avoid tag or layer errors

Here I only explain how to best use tags (layers) in sketchup. I took into account the comments made by the members of the forum on the previous tutorial. It is complementary.

WARNING: when you break up a group, the entities of this group will remain in the group tag and not in Without Tag (or Layer 0) as we are asked to do !!!

Display the subtitles

For all other explanations please watch the tutorial in the subject below: