see here: https://github.com/ansys/pyaedt-toolkits-antenna/blob/main/src/ansys/aedt/toolkits/antenna/backend/antenna_models/common.py

create_geometry in a new design, create_3d_comp, export, and add in 1st design, delete new design.

OR

• add generic name "_Coil"
• create 3d comp
• delete object
• re-import create3d comp