This is a Coaster I made. The Coaster has a Logitech logo in the center of it. I am not affiliated with Logitech in anyway or am I being paid to make this. This is just out of pure personal idea. Please do not sell this product commercially for legal reasons but selling it around a friend group is fine. This dimensions are 89mm x 89mm x 9.5 mm. The Logitech logo is a snap in place piece and does not require any glue. Depending on what filament is used to create this, the Coaster might leak a bit of water. I used PLA and so far I haven't had any problems. This is not dishwasher friendly so please do not put it in your dish washer.