This was a big project for Wagatha's Vermont Baked Organic Dog Biscuits, designed after they saw the racks we made for Vew-Do Balance Boards a few years before. They all are assembled with hooks and sliding, and are solid and rigid once put together.
You can find more pictures of the CNC work and process on my blog, www.dorsetcustomfurniture.blogspot.com, "Niche Market," October 28, 2010, "Wagatha's Organic Vermont Made Dog Biscuits," September 16, 2010, "Wagatha's Bulk Rack," September 22, 2010. You can see the racks for Vew-Do under "Vew-Do Balance Board Stands," October 16, 2008.