Describe the the feature you would like
By convention, files with the suffix .urdf.xacro should be reserved for files that will allow to generate a valid URDF description, i.e. files xacro will be called with. Files that only define macros should be called .xacro or _macro.xacro. So, tower_sensor_plate.urdf.xacro, tower_standoff.urdf.xacro, and weight_block.urdf.xacro should be renamed tower_sensor_plate.xacro, tower_standoff.xacro, and weight_block.xacro.
Other notes
I can do the changes.