Mackinac Bridge Turns 60!

Whats 5 miles long, 500 feet tall and turns 60 today?  The Mighty Mac!  The Mackinac Bridge opened to traffic on November 1, 1957.  We've been testing our newest 3D printer by printing mini versions of the bridge, using a design created by Thingiverse user Brad Nicholls.  Great design Brad!

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