My second try with the DesktopHero 3D Beta.
More info on DesktopHero :
https://www.kickstarter.com/projects/263291121/desktophero-free-3d-printable-character-maker
https://www.facebook.com/desktophero3D
DesktopHero is a wonderful open-source tool funded via Kickstarter and currently developed by Andrew Stockton (http://www.thingiverse.com/stockto/).
The current assets are designed by Arian Croft(http://www.thingiverse.com/dutchmogul) which explain the sturdy (easier to print) and beautiful look !
You can find other proxies for Dungeon Twister here : http://www.thingiverse.com/agademer/collections/dungeon-twister