To provide a cradle capable of stably mounting a round bottom vessel having various R dimensions.SOLUTION: This cradle-shaped cradle 10 having a flat plate shape for placing a round bottom vessel 20 or a dish-shaped crushed dish-like cradle 10 is provided on the upper surface of the cradle 10 at least A support receiving protrusion 11 formed with three or more point contact shapes is provided with a required height and a clearance space T is formed between the bottom of the round bottom unit and the upper surface of the cradle In this state, a round bottom vessel having various R dimensions is stably mounted.(FIG.【課題】多様なR寸法を有する丸底の器が安定的に載置できる受け台を提供する。【解決手段】丸底の器20を載置する平板状若しくは周縁が反り上がった皿状の受け台10であって、受け台10の上面に、丸底の器20を安定的に支持する少なくとも三点以上の点接触形状で形成される支持受け突起11が所要の高さを有して設けられ、丸底の器の底面部と受け台の上面部との間に隙間空間Tが形成された状態で多様なR寸法を有する丸底の器が安定的に載置される。【選択図】図1