The file 'Rectangular Rolling Tray 3D Printer Model' is (stl) file type, size is 29.8KB.
I threw this together as a proof of concept, and it works quite well! The Pyramid has a hole that perfectly fits your 14mm bowl (if you don't resize it), holding it upright and steady ready to be filled with your medicine.
More refined model to come...
Rectangluar_Rolling_Tray_no_Text.stl | 75.7KB |