Select a cable tray, right-click, and click Rotate Cable Tray Direction. This action rotates the segment or fitting 90 degrees. Repeat the previous step as required. Placing channel cable trays upside down is also desirable, I have seen some constructions using this positioning, mainly for small size ones. 07-20-2016 09-10-2016. It is not possible to rotate cable tray about its cross-section axis, but with beams you can. Whilst this can be achieved with structural beam elements, this cannot be achieved with the out of the box cable tray families. Image number 4 is from my own project - the circled part IS a ladder, but I could not make it look nice, so for time. - Create a cable tray type that do not automatic add fittings and use them to draw the ones flat against the wall (I have no idea how you did it). - Make copy of the fittings and set them to Workplane based + Not always vertical so that you can manually place them on the wall or any surfaces (hor. When I try to draw a new section from where the existing tray ends, it places the tray on a different axis instead of continuing along the wall. If I try to extend the tray instead, it flips back to a horizontal orientation instead of staying wall-mounted - it feels like there's nothing I can do to. Start the Cable Tray command and draw a cable tray horizontally.