Skateboard ramp bowl
FIG. 1 is a perspective view showing my new design for a skateboard ramp bowl with a portion removed for convenience of illustration. 
     FIG. 2 is a top plan view showing my new design for the skateboard ramp bowl with a portion removed for convenience of illustration. 
     FIG. 3 is a sectional view showing my new design for a skateboard ramp taken at 3,3 of FIG. 2.