Kyosho Blizzard sprocket mod: Here's the mod I did for the Kyosho Blizzard srpocket. It prevents snow packing up in the area between the sprocket teeth. When snow packs up there, the part becomes a big ice cylinder, and doesn't drive the caterpillar anymore. The indentations in my design prevents that from happening. I also included the design for the original part.Works best with support under the part. I also used a raft but it may not be necassary. I also used 4 perimeters so the part is very resillient, even when used in the cold (tested to -25°C). I used 0.1mm layer height for greater accuracy, but 0.2mm is also fine.