If it's for the signature of a dragon and phoenix dance that most people don't know, such as a star, that's another matter.

If you want to seriously study ancient and modern calligraphy art, you can look at the following pictures.

Note that, in fact, the hard pen and the brush pen are the same, but the thickness is different. Shelf structure, strength and stroke order are the same.

The last one belongs to Wang Xizhi.