How did Li Siguang draw the Q version is as follows:

1. Draw the outline of the head.

2. Draw it on your face according to the facial expression in your mind.

3. Draw clothes and hair.

4. Just paint the clothes according to your personal favorite color.

Li Siguang's personal profile:

Li Siguang (October 26, 1889—April 29, 1971), originally named Li Zhongkui, was born in Huanggang, Hubei, Mongolian, geologist, educator, musician, social activist, founder of geomechanics in China, one of the main leaders and founders of modern earth science and geological work in China.

Li Siguang graduated from Osaka Higher Institute of Technology in July 191. In 1911, he became the Minister of Industry of Hubei Military Government; In January 1928, he served as director of the Institute of Geology, Academia Sinica; In 1948, he was elected as an academician of Academia Sinica; In May 195, he served as vice president of China Academy of Sciences; In April 1951, he was elected as the vice chairman of the Executive Committee of the World Association of Scientists; In September 1952, the people of Ren Zhonghua and the Minister of Geology; In 1955, he was selected as a member of the Chinese Academy of Sciences.