This dude actually explains exaxtly how to build one of them, with different size options. Low cost geodesic dome greenhouse kit (Personal Note- figure out a way to camouflage it. Also figure out a way to heat it if necessary.
A geodesic modular bulletin board / whiteboard designed by Robin Stethem for a group project in STETHEM.COM This assists in selecting the cut that needs to be inflected upon the wood and choosing the established of the joints.
How to make your own functional geodesic dome in your backyard with PVC pipe. Because why wouldn't you want to do that? I see this as a cool, movable chicken run with the right covering over it. Can even build in perches.