I won’t explain anything, everything is clear from the videos, drawings, but if not, write
I'll explain in the comments.
Appearance.
Robot at work.
The diagram, if anyone doesn't understand.
Result.
How to repair a roofing felt roof with your own hands
How to polish a scratched or worn watch glass
Cake "Ryzhik" | Do it yourself
Simple apple puffs made from ready-made dough | Do it yourself