What object are you using?
It should have a parameter for the radius arc angle.
Or you could just grab one of the stretchy hotspots at the end (the centre one) and you could simply stretch it in plan (use the "move node" option of the pet palette.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11