CASE

To provide a case having higher designability.SOLUTION: The case includes a first side and four regions divided by three folding parts. A first region includes two sides on an outer periphery, the first side and a first folding part. A second region includes two sides on an outer periphery, the first folding part and a second folding part. A third region includes two sides on an outer periphery, the second folding part and a third folding part. A fourth region includes two sides on an outer periphery, the third folding part and a second side. The case has an engaging part capable of storing a storage medium in the fourth region and capable of being engaged with a side edge part including the first side. A total area of the first and second regions is almost the same as each area of the third region and the fourth region, the fourth region is superposed on the third region, the first region and the second region are superposed on the fourth region, and the first to third folding parts are folded, and the side edge part is engaged with the engaging part so as to assemble a vertical cross section of the side edge part in a triangular shape.SELECTED DRAWING: Figure 1 【課題】より意匠性の高いケースを提供すること。【解決手段】第１の辺と３つの折り曲げ部により分けられた４つの領域を有するケースであって、第１領域は外周上の２辺と前記第１の辺と第１折り曲げ部とからなり、第２領域は外周上の２辺と前記第１折り曲げ部と第２折り曲げ部とからなり、第３領域は外周上の２辺と前記第２折り曲げ部と第３折り曲げ部とからなり、第４領域は外周上の２辺と前記第３折り曲げ部と第２の辺とからなり、前記第４領域内に記憶媒体を収容可能且つ前記第１の辺を含む側縁部と係合可能な係合部を有し、前記第１及び第２領域の合計面積は前記第３及び第４領域の各面積と略同等であり、前記第４領域を前記第３領域に重ね合わせ、前記第１及び第２領域を前記第４領域に重ね合わせられると共に、前記第１〜第３折り曲げ部を折り曲げて、前記側縁部を前記係合部と係合させると、前記側縁部の垂直断面が三角形状に組み立て可能である。【選択図】図１