If anything more than measurements that can affect the precision and outlook of your wooden art pieces and make them look completely out of the state it is the poor knowledge and understanding of angles and joinery.
If anything more than measurements that can affect the precision and outlook of your wooden art pieces and make them look completely out of the state it is the poor knowledge and understanding of angles and joinery. Cutting compound angles with accurate joinery is a subtle and most important skill that a good carpenter holds complete understanding of.