How to build a Rocket League Arena IRL
Step 1: Step1: Cut
Cut the mattboard to the correct size
Step 2: Step2: Tape
Take your cut pieces and tape/glue them to the sides of the table
Step 3: Step3: Round Corners
Cut a thin piece of mattboard, bend it, tape to corner. All four sides
Step 4: Step4: Goals
Cut additional pieces of mattboard to create a goal that hangs off of the edge of the table.
Step 5: Step5(Optional): Chair
Put a chair under the goals for added stability.