How does the calligraphy on the stone tablet truly reflect the calligrapher's handwriting?

The inscriptions on various ancient stone tablets are the works of famous calligraphers. Basically, it can truly reflect the author's true level. Because after the Qin and Han dynasties, the technology of making inscriptions has been very mature. Handwriting is to draw the original on the tablet surface according to the ratio of 1: 1 and then carve it. Of course, it is impossible to restore to the original 100% due to the different levels of craftsmen.