Participating in a HMC is always very much helpful for self developement or you can say sharpen your skills. So I like this section!!
I have participated and completed 2 HMC till this post-
HMC#15 - Sports Icon (Sachin Tendulkar)
HMC#16 - Stan Winston Tribute (Jurassic Park Dinosaurs: Velociraptor, Pteranodon)