print your on RC boat

After reading the article below, I checked out the blog, which is in japanese but you can get the gist of the ideas.  I like the builds for motors for the boats.  pretty simple idea and all printable.

http://www.3ders.org/articles/20150321-3d-printed-boats-become-a-hit-for-both-adults-and-kids-in-japan.html

http://trhk.exblog.jp/