Design must contain original formats in sldprt format/STL format for 3d-printing. The picture of the Airdog wearable airpurifier is attached for reference. There will be 2 individual round modules attaching to a main base structure. The Individual Round Modules (like in Airdog) should contain 1connection pins protruding out, which will connect with the female pin part in the main base system. The individual module should be attached to the main base using a "Quad Lock/ Steering lock mechanism" kind of lock (twisting and locking mechanism) for easy clamping. Each individual round module has a diameter of 60mm, Height of 45mm and has an LED indicator on the side. On Inside, space is made hollow , but should contain 6 pin female connector. two 3 pin female connector and a 2 pin female connector. The main base structure height is 18mm. The base must have female pins to connect all the pins protruding out from the individual round modules, along with quad lock/ Steering lock mechanism.