Well, perhaps it's all right for the menu...
I've just found a curve creating function - Holding a CTRL key when drawing a polyline.. But the truth is that the method of vector line creating is quite peculiar - there is no new control points creating option for correcting the line form, no ...

Thanks for the tip... But more questions has arisen recently:

- Why a segment of a wall can be transformed into the form of an arc, but segment of a polyline cannot? How to make a freeformed line contour, like in an ordinary vector graphic editor? An architector may need to make a more complex ...

The question is about drawing walls and polylines. Please tell me who made the sector-by-sector movement of the line from the corner point (24 sectors by 360 degrees) when drawing a corner? This is terribly inconvenient! How can I draw the contour of a polyline and walls smoothly and freely in this ...