6.4 mm audio/instrument jack dust plugs

thingiverse

You can get these 2 versions of a simple 6.4 mm audio jack/instrument dust plugs that cover up unused jacks in your equipment easily. One version has a small handle, making it simpler to put in and remove, while the other one doesn't have a handle for a more 'flush' look and feel when you use them. Print these upside down with supports only touching the build plate.