As insulted as I admittedly feel that THAT was the first response... Yes. I did slice it, though it did not matter whether I had sliced it or not. An unsliced model in preview would appear as a translucent grey version of itself.
No, when I say blank, I mean the entire render window was completely white. The render of the printing bed was gone. The grid was gone. The model was gone. Everything was gone, replaced by a white background of nothingness, where the only thing keeping my eyes company on the screen was the UI. Even using Ctrl + A to "select all" did not work, and I know th