This is a auto car push retainer clip or blind rivet. Size(WXL): 06mmX30.5mm. For 3d printing use hard plastic to print the nail and hard plaxible plastic for the royal plug. Applications1: Defender Door Card Interior Weatherstrip ; Applications2: NYLON CHRISTMAS TREE Carpet Floor Mat Clips. Material: Plastic.
Please contact with me for design and size.
Thanks, Mahbub