Originally Posted by
bobotech
I ran your numbers with EDD spoke calc and got 290 and 292. That 1 extra mm shouldn't make any appreciable difference, the rim should lace up just fine either wit 290/291 or 290/292 spoke sets.
I am wondering if you were off a hole when you went to the other side of the hub?
This is what I would guess too. Assuming you're starting on the NDS, when you flip it over you should start one hole to the right of the first spoke. If this is off, what you're describing will happen.