The forms give a visual representation of stability, thus giving them the their names स्थिर (sthir), स्थायी (sthyahi) , स्थित (sthit)
स्थिर
Dimensions - Height 16 inch
Base dia (legs) - 3.5 inch
Top dia ( mouth) - 1.5 inch
स्थायी
Dimensions - Height 6 inch
Base dia (legs) - 2.5 inch
Top dia ( mouth) - 4 inch * 7 inch
स्थित
Dimensions - Height 3.5 inch
Base dia (legs) - 2.5 inch
Top dia ( mouth) - 8 inch