-24" x 12" sheet of 1/4" thick acrylic (1/8" would probably work)
-~18" of 1/2" OD acrylic rod
-Acrylic solvent cement
The materials can all be found at TAP plastics or a similar plastic supplier, and a laser cutter can be found at TechShop. I designed the file using Autodesk's AutoCAD, also available for use at TechShop along with lots of other software.