Hardware for Neck and Head
Use the following hardware to attach the head of the guitar to the neck of the guitar.
Insert the M3 screws through the two mounting holes on the end of the neck-bottom.stl part. Place the head-case.stl part onto the threads of the screws and joint the two parts together.
Install and fasten M3 hex nuts onto the threads of the M3 screws. Use a pair of needle nose pliers to secure the neck-bottom.stl and head-case.stl parts together.