Endcap for alluminium alloy roof bars made by Green Valley, cod. 156.607 ('Original' series)
Fits pretty well, the outer profile does not match the bar prefectly but it's pretty close, ‘good enough’ for me!
I recommend taping it to the bar for safety and aerodinamics.
Needs a well tuned printer for good results, mine is a heavily modified ender3 (board+klipper+DD). Print in ABS for durability and heat resistance.
The author marked this model as their own original creation.