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thumb|Altarpiece by [[Carlo Crivelli, 1468. The predella has four scenes from the Passion of Christ. The predella runs along the base, framed below]] thumb|Altarpiece with carved and painted predella at Marienkirche [[Stralsund, Germany.]] In art a predella (plural predelle) is the lowest part of an altarpiece, sometimes forming a platform or step, and the painting or sculpture along it, at the bottom of an altarpiece, sometimes with a single much larger main scene above, but often (especially in earlier examples), a polyptych or multipanel altarpiece. In late medieval and Renaissance altarpie