Install the guitar strings and check alignment over the neck and pickups. You may need to loosen the neck bolts, and tweak the neck slightly, one way or the other to adjust string position.
A lot of first-time guitar builders focus on making the body and skip the neck, which has lots of tricky dimensions to get right to if you want a nicely playable instrument. However, [Jón Schone ...
The other main component is the guitar neck. This was actually a Squire Affinity ... This setup allows [Gr4yhound] to adjust the finger position after the note has already been started.