Create new Plane without using Plane command

How to crate new Plane without using GSD Plane command. New user sometime have difficulties to create references for new plane creation.
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Step 1: Create new 45 degree between YZ & ZX
Select XY plane , then select Sketch workbench
Draw Line and put 45 degree angle constrain.
Click 3D Plane icon as below :
then select line that you create just now.
Your previous line become Bold. Exit the sketch workbench.
Now you can see new Plane between YZ & ZX plane.