Anyone who's a member of Valve's online gaming comunity "Steam" will have heard of the source engine modification called garry's mod. For the people who have spent their entire life on another planet, here's a discription from Steam Store:1
"Garry's Mod is a physics sandbox. Unlike regular games there aren't any predefined aims or goals. We give you the tools and leave you to play.2
You spawn objects and weld them together to create your own contraptions - whether that's a car, a rocket, a catapult or something that doesn't have a name yet - that's up to you.3
If you're not too great at construction - don't worry! You can place a variety of characters in silly positions."4
As well as building a variety of contraptions I have made a few attempts at posing ragdolls, the above picture is my first sucessfull scene, nicknamed "the spy's demise"5
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