{"name":"block_cmu_8in","parts":[{"count":1,"kind":"block","name":"cmu_8","params":{"height":0.194,"length":0.397,"width":0.194},"sources":["ASTM C90, a hollow concrete block of 8 by 8 by 16 in (nominal): 15 5/8 by 7 5/8 by 7 5/8 in."]}]}