Fusion360 3D Part.23 (Construction Planes). The absolute beginner tutorial help series.

Some instances may require you during your design phase to create a part that is on a different plane than the origin XYZ. You can build an object offset from the typical XYZ planes, or offset from the face of an object. By utilizing these customized planes it will allow you more freedom with your designs. Need something designed? I may be able to help you with your idea https://www.fiverr.com/assistvent