This endoscope model has a hard first member formed in a frame shape having a through hole, a sheet formed of a material which is more flexible and elastically deformable than the first member, and is formed into a sheet shape in the thickness direction And a second member having a penetrating window portion and attached to the first member. The second member is attached to the first member in a state where the tissue piece overlaps with the window portion and is elastically deformed and subjected to tension.この内視鏡用モデルは、貫通孔を有して枠状に形成された硬質の第一部材と、第一部材よりも柔軟かつ弾性変形可能な材料でシート状に形成され、厚さ方向に貫通する窓部を有して第一部材に取りつけられる第二部材と、を含む組織保持部を有する。第二部材は組織片が窓部と重なるように取り付けられ、かつ弾性変形されてテンションが作用した状態で第一部材に取り付けられる。