Spiderweb Cheesecake

Spiderweb Cheesecake
1 envelope unflavored gelatin
1/4 cup cold water
2 pkg. (8 oz. each) cream cheese, softened
1/2 cup sugar
1/2 cup heavy whipping cream
1 tsp. vanilla extract
1 chocolate crumb crust(8 or 9 inches)
2 tbs. semisweet chocolate chips
1 tbs. butter
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In a small saucepan, sprinkle gelatin over water; let stand for 1 minute. Heat gelatin; stir until dissolved. Remove form the heat; cool slightly. In a mixing bowl, beat the cream cheese and sugar until smooth. Gradually beat in cream, vanilla and gelatin mixture until smooth. Pour into crust.
In a microwave, melt chocolate chips and butter; stir until smooth. Transfer to a heavy-duty resealable bag; cut a small hole in a corner of bag. Pipe a circle of chocolate in center of cheesecake. Pipe evenly spaced thin concentric circles around 1/2 in. apart over filling. Beginning with the center circle, gently pull a toothpick through circles toward outer edge. Wipe toothpick clean. Repeat to complete web pattern. Cover and refrigerate for at least 2 hours before cutting.