I noticed while printing with the Bambu X1C that different speeds affect the glossiness of the filament. I like the glossy look of the filament, so I created a couple test prints to see what speed gives me the look I want.

There are two 3MF files that are preconfigured to test two sets of speeds.

bambu filament speed test.3mf - 

This 3MF will test faster speeds. The shape of the part allows the printer to reach higher default speeds without using too much filament.

The speed tested with this print is the default 200 (actually only reaches about 150), 125, 100, 75, 50, and 25. 

Approximate print time is 50 min due to the slow speeds.

bambu filament speed test_2.3mf -

This 3MF will test slower speeds. 

The speed tested with this print is 50, 40, 30, 20, and 10. 

Approximate print time is 1 hr 1 min due to the slow speeds.