Step 1: Output KUMA with 3D printer.
Page of the author of data : http://www.thingiverse.com/thing:31085
Step 2: Take the model of KUMA which I output with edible silicon.
Step 3: Pour chocolate into a finished model.
Step 5: Take it out of a model carefully.
Sharpen the point to be worried about.
Step 6: Cover it with cocoa powder.