Spangler's sculptures typically consist of carved solid blocks of basswood that are finished with coats of black gesso and graphite.
An antiquated craft with little relevance to modern technologies of communication or to a competitive, fast-paced contemporary art market...so it is exciting to come upon the large, intricate reliefs".
His work is often concerned with "war's devastation and its potential as a metaphor for psychological conflict" as well as "anarchy in rural America".
[3] His sculptures seek to envision a "fascinating and frightening revolution against passive consumerism 'of the people, by the people'"[4] Multi-faceted, his work reveals more upon second and third glances; shifting scale and perspective propelling the viewer deeper into the psyche of the piece, leading one critic to claim that Spangler piled "images and motifs, just like ancient Romans heaped up captured armor and weapons as trophies".
[5] Spangler has transformed "a marginalized craft typically associated with bearded, plaid-shirted gentlemen of a certain age into a conduit for the mythology of the Midwest without diminishing its tactility or symbolic richness".