What is orientation of IMU (LIS2DH12TR) chip xyz axis on DWM1000? I could not find this information anywhere.
DWM1000 module doesn’t have any IMU or MCU - it has DW1000 chip and some components like 1.8V DCDC, crystal, decoupling etc.
Probably you mean DWM1001C module.
Below is the major components locations on the module (U4 is LIS2DH12TR):