Snowman Mold

This model was inspired by a similar one by CloudJ and an article regarding the "Perfect Snowman". I've linked to both below. I went through a couple of iterations before settling on this one. The mold is symmetrical, so you'll need to print two, but you can fit both on a 200x200mm platform easily. I've included an STL file with 2 halves. I've also uploaded the Fusion 360 file so you can change things as you'd like.

http://www.thingiverse.com/thing:675620
http://www.dailymail.co.uk/sciencetech/article-3404856/Formula-perfect-snowman-Use-three-balls-fresh-snow-make-64-inches-tall-carrot-nose-1-5-inches-long.html

Update 1/10/2017: Finally got enough of the right kind of snow to give these a try. They work great, but there are a few minor changes I'd like to implement. The first and main one are the keys. They work, but they get filled with snow immediately which gets turned into ice with the pressure exerted. I'm thinking I will move them to the sides where only half the sphere wo