Use the origin cube featurescript to insert the origin cube
Sketch the side of your drivetrain and bumper profile
Sketch the path of the ball over the bumper
Sketch roller or wheel positions needed to get the game piece to move that way. Use the belt transmission tools you learned in 1B to dimension the location of the rollers. Decreasing the c-c distance by 0.02" can help with ease of assembly and roller efficiency.
Use a sketch circular pattern to represent the stowed position of your intake rollers and define where you want the pivot to be