Chicago Metal Rolled Products, a company that specializes in roller coaster track, fabricated the addition’s columns using a technique called “round tube bending”— a cold process by which straight 8-foot-long hollow tubes are pushed through a series of dies and rollers to bend them into a desired shape.  Photo 4 of 22 in A Mind-Bending Renovation Brings a Bold, Modern Addition to an Old Farmhouse

A Mind-Bending Renovation Brings a Bold, Modern Addition to an Old Farmhouse

4 of 22

Chicago Metal Rolled Products, a company that specializes in roller coaster track, fabricated the addition’s columns using a technique called "round tube bending"— a cold process by which straight 8-foot-long hollow tubes are pushed through a series of dies and rollers to bend them into a desired shape.