Looking for something unique for your layout? This is it. I have not seen any spherical pressure storage tanks so I made one. This is a kit and can be assembled in about 10 minutes with just superglue and is about 6" tall. Included is a centering ring to help align the legs. The model features a pipe flange on the bottom and a platform with rail on top that is accessible by a ladder. You can use string or small fishing line to make the "X" bars if you desire, but the string is not included. 

I can scale this model up for larger scales and down for something like ornaments, but please reach out to me for estimates.