A-Frame Jittering Of 3D Model

I am trying to augment a car model on [hiro]1 pattern . But there is a jittering . I tried all possible ways ............ can you please check the my code in Glitch ...... Please check the images attached .... I am augmenting a car ...when the camera is closer to the marker then the object is jittering (broken textures) is bit less but when the camera is far (increase the distance between the marker and camera then the jittering increases as in the attached images ........ Images When Far Closerfar roung 2 feet