12 Test Tube Holder/Drying Rack Primary color:Gray This is a solution to

This is a solution to mounting Koss Porta Pro speakers OR mounting Koss KSC75 Headphones to an Oculus Quest 2 VR headset with an ELITE strap

or padel facilities

They are adjustable and be moved up and down

the item is 3D printed and assembled by myself

Made with PLA 3D printing material

12 Test Tube Holder/Drying Rack Primary color:Gray This is a solution to3 piece Test Tube Rack that comes together to hold 12 test tubes. Comes in different colors! Dimensions: 160mm tall, 225mm long, 70mm wide, and 17mm diameter top holes. Made of plastic (non toxic) **Earth Friendly*** biodegradable and bioactive thermoplastic aliphatic polyester derived from renewable resources, such as corn starch (in the United States and Canada), cassava roots, chips or starch (mostly in Asia), or sugarcane (in the rest of the