Critics panned the design for the Pittsburgh Penguins’ new arena, now under construction in downtown Pittsburgh, as “too cold and uninviting”. So the team and their architects, HOK Sport, came back with a revised exterior look which will feature a more inviting, brightly lit exterior. The plans received approval from the Pittsburgh City Planning Commission this week.

The arena is scheduled to open for the 2010-11 season.

Here are some renderings of the new design -