Planters revisited: Patina
Posted by Will on Feb 25, 2013 in Sheetmetal
We made these planters almost a year ago. The copper material was left untreated and this nice patina is the result. There are a variety of other options including protecting the bright copper finish and chemically altering and / or accelerating the aging process.
![photo-16](http://www.gothammachine.com/wp-content/uploads/2013/06/photo-16-300x300.jpg)