6 model

Free

Headphone Holder (honeycomb Storage Wall)

Printables

Free

headphone rack

Thingiverse

Free

Headphone hook/rack

Thingiverse

Free

Makerbot Replicator Headphone/Tape Rack

Thingiverse

Free

Modern Headset Stand - Stable Headphone Holder

Printables

Free

Biomechanical Skull "Headphone Stand"

Printables