About this 3D model

This is a simple temperature controlled heating block for joining plastic filament together in sections so you can print nice looking multicoloured objects like this - http://www.thingiverse.com/thing:9777 And this - http://www.thingiverse.com/derivative:10790 And this - http://www.thingiverse.com/derivative:10831 And this - http://www.thingiverse.com/derivative:10830