Lightweight, low-profile wheel chock with 5.5 in wheels. Should clear any wheel pants. Ribs on the wheel chock should help the chock stay in place. Holes for a rope or bungee cord. 

Printed with ASA. The model file has a plain front does not have any aircraft number on it (as shown in the photo).  The version with the N-number was printed on a Prusa Mk2.5 MMU2S with yellow and black ASA, the number is embedded for a flush surface. You can use the EMBOSS text feature in Prusa Slicer to add an N number to the face. 

Printing with a TPU material with a high Shore hardness would provide a rubber type chock that may have more grip on some surfaces.