If you're looking for synonyms for the phrase "more hewn", you might consider using terms like "rougher", "choppier", or "less refined". Each of these phrases suggests a degree of coarseness or unevenness that implies a process of carving or chopping. Other possible synonyms might include "less polished", "less symmetrical", or "more rustic". Depending on the context and the intended meaning of the phrase, these synonyms could help to convey a variety of senses, from a sense of roughness or rawness to a feeling of authenticity or earthiness. Whatever the case, the key is to choose a synonym that captures the intended flavor of the original phrase.