Symbol 3105B from ISO 7000 - Title/Meaning: Drip drying Function/description: To indicate that drip drying is allowed in the natural drying process.
pay attention to orientation of symbolApplication referenced in: ISO 3758:2012
Additional information: 
The meaning of this symbol depends on its orientation.
Own work using: iso.org/obp/graphics/grs/af64a7e7-8cf6-4261-9bdd-613ee516abd7 200.png
Vectorization:  Mrmw