Hi guys, I made this test model to test my bambu lab printer Z axis. The length of the raw model is 240mm, almost reach the max of z travel. I upload print file for X, and P series, also for A1 mini.

Use filament color that shows layer line, don't use those matte or special blend filament.

Instruction:

So you will observe at the front to see any obvious uneven lay line: Mine looks good.

Then, in 45 degree angle:

Mine looks good tho.

If your's look like this: It is not good. (pic source: theprusaforum)

However, this picture below might be either uneven extrusion or z wobble, or both: (source reddit)

If your's z wobble looks like this: your model is moving due to the motion. add more brim. (source: theprusaforum)

I sliced for a1 mini: it is at 170mm, it will both test z wobble and the y axis consistance during high speed travel for tall object.

My A1 mini have some issue on the Y axis: