Carthax12 t1_je4m1zt wrote on March 29, 2023 at 11:41 AM

Reply to comment by wpmason in ELI5: How is a high level of precision maintained during the construction of a building to make sure its built square, level all around? by phenols

So much this. There is not a single right angle anywhere in my house, except where the contractors added a new wall to separate a room into two distinct rooms. ...and it looks wrong because it doesn't match the rest of the angles.