I created swimming platform with Blender. What is Blender?

Here is the .tar package what contains .blend file:
https://download.soivi.net/blender.tar.xz

You can open it with Linux terminal with this command:

$ tar -vxf blender.tar.xz

Check my last Blender post:
https://soivi.net/2015/blender-mind-the-gap/