Originally Posted by
EdieClay
I have read recommendations that you put in a new needle at least every time you begin a new project. Probably the same for rotary cutter blade ... I have to admit I am too frugal (cheap) to do that because I really don't realize how dull the needles or blade have gotten until I change them. I keep thinking I can get a little more mileage out of them.
The usual recommendation for changing needles is after 8 hours of sewing. For me, that's much more often than at the start of a new project.