It can be crafted in your Crafting Menu (default key "Q") or at Crafting Tables (that still exist in worlds created before R22 on September 16th 2015), but only after the crafting-recipe has been unlocked by taking/crafting a Bungalow Support for the first time (which in return is unlocked by Bungalow Wall). By crafting/taking a Bungalow Accent Wall for the first time, the recipe for Bungalow Fur Wall will be unlocked. To craft 8 (blocks of) Bungalow Accent Walls at a time, you'll need (as of R29 in February 2016):