About this 3D model

Big Background Mountains for scenery, and I also add version with cave interiors. I wanted this mountains more thin and linear for background. 2 big 880x220 mm mountain 4 medium 660 x220 mm mountain 6 standart size 440x220 mm mountain each part will be have standalone and cave included version. Also changing horizontal thickness will make sharp mountains too. Each part less will be sliced 220x220mm Main scale 28 mm