Make better arches in archicad

In this video, we take a look at how to create arches that look better in 3D

[oraach]

A good trick is to use the arched top door option with none selected door leaf settings.. make the door height approximately the height of the arch. Then use a lower height for the bottom of the arch...

[shadybahsas]

Could please help in the same matter with the shell tool!

[ahmedmarhaba]

Other kind of empty door opening has no option to increase curve resolution, no in round wall and no in other elements. How can we set general resolution