CST Make cylinder in radial direction

I'm trying to do the following:

1. Make a patch antenna around a cylindrical structure. For this purpose I first create a cylinder, make my patch and then 'bend' the patch around the outer surface of the cylinder.

2. I want to feed my patch using a coaxial cable from inside the cylinder.

I'm facing issues in Step 2. Geometrical objects in CST can only be oriented in the X, Y or Z direction, while for my step 2 involving a cylindrical structure I would need the object (coaxial cable) to be oriented in a radial direction (the object should then have x-offset, y-offset and z-offset instead of only two).

Any help in resolving this is greatly appreciated. Thank you.

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