Cyclonaut. Hammered, Welded 12 inch spikes. "Second Nature", Curator Gallery, New York, New York. 12' x 12'. 2014. Photo: Mark Wethli.

Liondandies

Welded 12 inch Spikes. John M. Role Federal Courthouse, Yuma, AZ Dimensions Variable. 2013.

Plode (background: Rove and Stick). Welded 12 inch Spikes. "Stick, Rove, Plode", Plane Space, New York, New York. Dimensions Variable. 2003. Photo: Josh Titus.

Plode. Welded 12 inch Spikes. "Stick, Rove, Plode", Plane Space, New York, New York. 5' x 9' x 5'. Private Collection. 2003. Photo: Josh Titus.

Plode and Rove. Welded 12 inch Spikes. "Stick, Rove, Plode", Plane Space, New York, New York. Dimensions Variable. 2003. Photo: Josh Titus.

Rove (detail). Welded 12 inch Spikes. "Stick, Rove, Plode", Plane Space, New York, New York. Dimensions Variable. 2003. Photo: Josh Titus.

Rove and Stick. Welded 12 inch Spikes. "Stick, Rove, Plode", Plane Space, New York, New York. Dimensions Variable. Private Collection. 2003. Photo: Josh Titus.

Stick. Welded 12 inch Spikes. "Stick, Rove, Plode", Plane Space, New York, New York. Dimensions Variable. Private Collection. 2003. Photo: Josh Titus.

Slack. Welded, Bent 12 inch Spikes. Installation View, Plane Space, New York, New York. 2000. Photo: Josh Titus.

Grist (background: Slack). Welded, Bent 12 inch Spikes. Installation View, Plane Space, New York, New York. 2000. Photo: Josh Titus.

Helio. 1 ton stacked 12-inch spikes. Studio Installation. 10" x 7'. 2001. Photo: Luc Demers.

Helio (detail). 1 ton stacked 12-inch spikes. Studio Installation. 10" x 7'. 2001. Photo: Luc Demers.

Tarn (background: Helio). 1 ton of 12 inch Spikes. Installation View, Plane Space, New York, New York. 2003. Photo: Josh Titus.

Lattice. Welded 12 inch Spikes. Studio Installation. 10" x 90" x 20'. 2001. Photo: Luc Demers.

Lattice (background: Plume and Ellipse). Welded 12 inch Spikes. Installation View, Portland Museum of Art, Portland, ME. 2008. Photo: Luc Demers.

Plume. Welded 12 inch Spikes. Installation View, Suyama Space, Seattle, WA. Dimensions Variable. 2001. Photo: Luc Demers.

Plume. Welded 12 inch Spikes. Installation View, Albright-Knox Gallery, Buffalo, NY. Dimensions Variable. 2000. Photo: Luc Demers.

Arc. Welded, Bent 12 inch Spikes. Installation View, Albright-Knox, Buffalo, NY. Dimensions Variable. 2001. Photo: Luc Demers.

Arc. Welded 12 inch Spikes. Installation View, Suyama Space, Seattle, WA. Dimensions Variable. 2001. Photo: Luc Demers.

Zero. Welded 12 inch Spikes. Installation View, ICON Gallery (collection of The Farnsworth Museum), Brunswick, ME. 2001. Photo: Luc Demers.

Ridge. Welded 12 inch Spikes. Patch, Ridge, Mound, Grove, Coleman Burke Gallery, Brunswick, ME. Dimensions Variable. 1999. Photo: Luc Demers.

Ridge (detail). Welded 12 inch Spikes. Patch, Ridge, Mound, Grove, Coleman Burke Gallery, Brunswick, ME. Dimensions Variable. 1999. Photo: Luc Demers.

Ridge (detail). Welded 12 inch Spikes. Patch, Ridge, Mound, Grove, Coleman Burke Gallery, Brunswick, ME. Dimensions Variable. 1999. Photo: Luc Demers.

Grove. Welded 12 inch Spikes. Patch, Ridge, Mound, Grove, Coleman Burke Gallery, Brunswick, ME. Dimensions Variable. 1999. Photo: Luc Demers.

Grove (detail). Welded 12 inch Spikes. Patch, Ridge, Mound, Grove, Coleman Burke Gallery, Brunswick, ME. Dimensions Variable. 1999. Photo: Luc Demers.

Mound. 10,000 lbs of Welded 10 inch Spikes. Installation View, ICA, Portland, ME. Dimensions Variable. 1999. Photo: Melville Mclain.

Mound. 10,000 lbs of Welded 10 inch Spikes. Installation View, ICA, Portland, ME. Dimensions Variable. 1999. Photo: Melville Mclain.

Patch. 10,000 lbs of Welded 10 inch Spikes. Installation View, ICA, Portland, ME. Dimensions Variable. 1999. Photo: Melville Mclain.

Pillars. Welded-12 inch Spikes. Installation view, Cynthia Reeves Gallery, New York, New York. Dimensions Variable. 2008. Photo: Luc Demers.

Pillars (detail). Welded-12 inch Spikes. Installation view, Cynthia Reeves Gallery, New York, New York. Dimensions Variable. 2008. Photo: Luc Demers.

Bolt. 12 inch Spikes, Bolts, Nuts. Studio View. 5.5' x 5.5'. 2011. Photo: Luc Demers.

Bolt. 12 inch Spikes, Bolts, Nuts. Studio View. 5.5' x 5.5'. 2011. Photo: Luc Demers.

Bolt (detail). 12 inch Spikes, Bolts, Nuts. Studio View. 5.5' x 5.5'. 2011. Photo: Luc Demers.

Blocks. Welded 4 inch Brads. Dimensions Variable. 1994. Photo: J. Craig Sweat.

Blocks. Welded 4 inch Brads. Dimensions Variable.1994. Photo: J. Craig Sweat.

Field. Installation View, Kemper Museum, Kansas City, MO. Dimensions Variable. 2000. Photo: Luc Demers.

Field (detail). Installation View, Kemper Museum, Kansas City, MO. Dimensions Variable. 2000. Photo: Luc Demers.

Nautilus. Welded 12-inch spikes. 3' x 2' x 1/2". 2005. Photo: Luc Demers.

Spira. Flattened, Welded, 12-inch spikes. Cynthia Reeves Gallery, New York, New York. 32"x 3/4'. Private Collection. 2008. Photo: Luc Demers.

Hive. Weld over Brads. 15" x 14" x 15". 1990. Photo: Dean Powers.

Burr. Welded 12 inch Spikes. Private Collection. 4' x 4'. 2000. Photo: Melville Mclain.

Orbital. Welded 6 inch Spikes. 5'. 1994. Photo: J. Craig Sweat.

Shell. Welded Brads. 13" x 16" x 16". 1994. Photo: J. Craig Sweat.

Coil. Welded Brads. Private Collection. 36" x 40" x 36". 1993. Photo: J. Craig Sweat.

Cone. Welded Brads. 35" x 46 x 35". 1999. Photo: Melville Mclain.

Spool. Welded 4 inch Brads. 54" x 54" x 28". Collection of the Snite Museum of Art, University of Notre Dame, Notre Dame, IN. 1993. Photo: J Craig Sweat.

Filter. Welded Nails and Brads. 27" x 30". 1992. Photo: J. Craig Sweat.

Harvest. Welded 4 inch Brads. Private Collection. 53". 2006. Photo: Luc Demers.

Double Bud. Welded Nails. Private Collection. 18" x 38". 1992. Photo: J. Craig Sweat.

Charge. Welded Nails. Installation View, Decordova Museum, Lincoln, MA. 70" x 70" x 70". 2002. Photo: Dean Powell.

Nipball. Accumulated Weld. Installation View, Decordova Museum, Lincoln, MA. 70" x 70" x 70". 2002. Photo: Dean Powell.

Pier. Welded 2 inch Brads, Accumulated Weld. Private Collection. 5' x 1' x 1'. 1990. Photo: Dean Powell.

Vase. Welded 3 inch Nails. Private Collection. 18" x 9" x 8". 1993. Photo: Dean Powell.

Housecage. Welded 4 inch Brads, Accumulated Weld. Private Collection. 2' x 1' x 1'. 1992. Dean Powell.

Cuckoo. Found Stovepipe over wood, 2 inch Nails (roof), Mechanical Interior. Private Collection. 19" x 8" x 7". 1988. Dean Powell.

Cuckoo (detail). Found Stovepipe over wood, 2 inch Nails (roof), Mechanical Interior. Private Collection. 19" x 8" x 7". 1988. Dean Powell.

Brief. 1/2" Brads over found Stovepipe over Wood, found Barbed Wire and Handle. Collection of the Bowdoin College Museum of Art. 9" x 1.5" x 13". 1988. Photo: Dean Powell.

Strongbox. Found Stovepipe over Wood, Interior 1,000 1/2" Brads. 9" x 7" x 7". 1988. Photo: Dean Powell.

Strongbox (detail). Found Stovepipe over Wood, Interior 1,000 1/2" Brads. 9" x 7" x 7". 1988. Photo: Dean Powell.

Purse. Found Stovepipe over Wood, found Conduit and Screen. 15" x 5" x 11". 1987. Photo: Dean Powell.

Dandybrand. Birch Ply (by 12 inch spike). Studio Installation. 90" x 90". 2011. Photo: Luc Demers.

Flight. Birch Ply (by 12 inch spike). Studio Installation. 90" x 90". 2011. Photo: Luc Demers.

Rockress. Birch Ply (by 12 inch spike). Studio Installation. 90" x 90". 2011. Photo: Luc Demers.

Branded Clematis. Birch Ply (by 12 inch spike). Studio Installation. 90" x 90". 2011. Photo: Luc Demers.

Pulses. Birch Ply (by 12 inch spike). Studio View. 90" x 90". 2011. Photo: Luc Demers.

Primrose. Birch Ply (by 12 inch spike). Studio View. 90" x 90". 2011. Photo: Luc Demers.

Bits. Birch Ply (by 12 inch spike). Studio View. 90" x 90". 2011. Photo: Luc Demers.

Branded Latice. Birch Ply (by 12 inch spike). Studio View. 90" x 90". 2011. Photo: Luc Demers.

Tweed. Birch Ply (by 12 inch spike). Studio View. 90" x 90". 2011. Photo: Luc Demers.

Branded Sampler. Birch Ply (by 12 inch spike). Studio Installation. 90" x 90". 2011. Photo: Luc Demers.

Mandalas. Branded Birch Ply (by 12 inch spike). Studio Installation. 135" x 270". 2011. Photo: Luc Demers.