After he aligns the grey bar to the right end of the yellow bar, he duplicates the yellow bar and performs a union operation of the grey bar and yellow bar (effectively trimming the grey bar to the height of the yellow bar). Finally grouping the yellow bar, grey bar and red bar.
In the video at 4:20 the guy adds the grey bar to the yellow bar.
https://youtu.be/Hq_XWD6EeWg?t=260
How does he do it? If I try to do it, I will get these results A and B:
https://i.imgur.com/ShNqTOI.png
Any help?
After he aligns the grey bar to the right end of the yellow bar, he duplicates the yellow bar and performs a union operation of the grey bar and yellow bar (effectively trimming the grey bar to the height of the yellow bar). Finally grouping the yellow bar, grey bar and red bar.
Thank you very much. Now it works for me too! :)