Mine isn't so much a display as it is functional storage with quick identification and access. It's an easy enough project even with basic tools and keeps the knives safely separated in a relatively compact area.
I have been using the upper section for many years for EDC sized fixed blades and the top was my nightly butler. Then this thing called Operation 2 Weeks started, and I started taking orders for leather work again, and EDC Storage Condo soon became the Busse Condo, then Phase II of Busse Condo was added. The suites in Phase II are much more spacious, enough to even accommodate the voluptuous D-Guard. Planning is underway right now for Phase III of Busse Condo's but Zoning (my wife) is squawking about encroaching on neighboring properties and hindering their view. Something has got to give because I currently have more pending residents than spaces for.
As far as construction goes, the upper section is PVC pipe and the lower section is PVC Down Spout.
Realistically I should probably move it into my work area but since I carry a Busse of some sort every day I like to have them where I get ready in the morning. As it is now I just bring what I am working on down to the leather studio as needed.