Dụng cụ xoay & lắp nock (Nock Turning & Installation Tool)

Easy way to align your nocks to the right position for maximum accuracy. If you hit your own arrows as a consequence, you also might need a suiting nock extractor at some point.

Also check out the Ultimate Archery Companion.

Printing is very easy and fast, it should work with every standard setting. I used 2 walls and no infill. Support is not needed. So just print it - use it.