// Define rotation matrix
:ROTM RM0 0. 0. 0.
:ROTM RM1 45. 0. 0.
:ROTM RM2 90. 0. 45.

// Define volumes and place them
:VOLU world BOX 2000. 2000. 2000. G4_AIR

:VOLU subworld1 BOX 500. 500. 500. G4_AIR
:PLACE subworld1 1 world RM0 0. 1000. 0. 
:VOLU subworld2 BOX 500. 500. 500. G4_AIR
:PLACE subworld2 1 world RM0 0. -1000. 0. 
:VOLU subworld3 BOX 500. 500. 500. G4_AIR
:PLACE subworld3 1 world RM0 0. 0. 1000.  
:VOLU subworld4 BOX 500. 500. 500. G4_AIR
:PLACE subworld4 1 world RM0 0. 0. -1000.  

:VOLU "my tube" TUBE 0. 30. 60. G4_AIR
:PLACE_PARAM "my tube" 1 subworld1 LINEAR_X RM0 6 100. -300. 
:PLACE_PARAM "my tube" 2 subworld2 LINEAR_Y RM1 5 150. -300. 
:PLACE_PARAM "my tube" 3 subworld3 LINEAR_Z RM0 4 200. -500. 
:PLACE_PARAM "my tube" 4 subworld4 LINEAR RM2 3 250. 0. 1. 1. 0.

:VOLU small_box BOX 10. 10. 10. G4_AIR
:PLACE small_box 1 "my tube" RM0 0. 0. 0. 
:PLACE small_box 2 "my tube" RM0 10. 0. 0. 
:COLOUR small_box 1. 0. 0.

:VIS world OFF
:VIS subworld1 OFF
:VIS subworld2 OFF
:VIS subworld3 OFF
:VIS subworld4 OFF