This is a base for attaching smartphone holders, radar detectors, etc., above the circular air vent on the left side of the steering wheel in a MK53S Spacia. Dimensions: Approximately 5.5 cm (depth), 6.8 cm (width). Height varies front to back, with the longest point being about 2 cm. The air vent has a slight angle, and the product also has a slight angle to match. The thickness varies front to back. When installing, please make sure to attach the thinner side towards the front to achieve a near-horizontal position. Please degrease the surface and securely attach the base using double-sided tape or similar. The smartphone holder and other accessories used for photography are not included. This product is made by an amateur using a 3D printer. Please be aware that there may be layer lines, imperfections, and the possibility of deformation due to extreme heat. If you are concerned about these, please either process the product yourself or refrain from purchasing. The material is PETG. The following are excerpts from the manufacturer's website describing the characteristics of PETG: Ideal for outdoor use High-speed PETG maintains the strength of regular PETG and offers excellent resistance to water, UV rays, and extreme temperatures. It is more durable than PLA and is ideal for printing outdoor items such as planter pots, bird cages, watering cans, and automotive parts. Furthermore, it is also suitable for outdoor toys such as frisbees and boomerangs that need to withstand long-term outdoor use, impacts, collisions, and drops.