Have you ever tried cutting a piece of wood to achieve a particular shape or size you desire? If you have, then you have likely had experiences where the final product is or looks to be in a different shape or size, different from your original intent. You may have most likely cut the wood according to your measurements, so the problem will most likely lie with the precision of those measurements.
If you're looking to improve the precision of your measurements and, by extension, the quality of your work as a whole, this woodworking measuring tool is exactly what you need. This tool has a design that ensures that all your measurements, including curves, will be accurate and precise.