sci-fi jar base 3d model

A scifi high tech base for a jar to sit on. The jsr should be able to sit slightly down into the base. The rest of the base should be hollowed out so there is room to add electronics. The base should be round, about 4 inches tall and 5 inches in diameter. The hole in the top where the jar sits should be about 4.5 inches in diameter and sit about 0.5 inches down.