AutoCAD Inventor :: Get Lines To Project Onto Adjacent Wall At Same Level

I'm modelling liner plates on a conveyor chute and I want the liners and the fixing bolts to align on between the walls which are different. angles.

I've modeled the liners on the first wall how I want them and now want to project lines from the top and bottom of the liner plates as well as the centers of the bolt holes on this wall to the adjacent wall.

I cant seem to get the lines to project onto the adjacent wall at the same level.

I've posted two images of the model that hopefully illustrate the problem. I would love to put a zipped folder of the model up to which is under 3MB in size but I keep getting an error message saying the size of the attachment is too large and that the maximum size is 1,572,864 bytes.