5 model

Free

Floor Joist Bicycle Hook

Thingiverse

Free

2x4 Rafter Joist Hanger - LED Shop Light, Ski, Fishing Rod Holder

Printables

Free

Rafter Guitar Hanger - Ceiling Joist Mount for Electric and Acoustic Guitars

Printables

Free

very specific lamp cable box for joist mount

Printables

Free

Cable Management Hanger

Printables