All good my man...I am getting pretty proficient with Sketchup. After I imported the 45 and 90 degree rods using the .STL free STL extension available for Sketchup (which allows importing and exporting of .STL formats into and out of Sketchup).
The rods I opened in Sketchup will need tweaking to get them back to manifold as some of the face surface area triangles are "missing" and the holes need cleaned up again. I will run it through my NetFabb program that I use to clean up my designs as well as others prior to printing IF my Slic3r claims they are not manifold.
I was intending on placing one of these rods on the front foot model I designed for my Ordbot so that I may record prints now and again with my GoPro mounted securely.
I will run it through NetFabb and see what happens. I will post my findings after :)