The Calibration Targets in the Wiki are all missing.

[Hanning-Liu]

Here is the line to the missing place:
https://github.com/ethz-asl/kalibr/wiki/downloads#calibration-targets

[Hanning-Liu]

The google drive link is invalid. Could it be fixed?

[WFram]

You can generate the pattern online or using OpenCV and fill your .yaml based on the given examples.

[goldbattle]

Should be updated.