Hi @mikeferguson,
I am looking to perform our robot link parameters calibration(joint offsets) using this package.
I have a estimation transform between my robot head_camera_mount_link and the frame head_camera_frame in urdf file.
I have mounted a checkerboard on my robot right arm ee and do not provided an initial guess for the checkboard frame transform .
The result is as follow:
And the config files are:

