About this 3D model

https://www.youtube.com/watch?v=k9WOv9LT4_U Specifications (slight variations are possible): - Overall length: 40 cm / 15 1/2'' - Grip length: 10 cm / 4'' - Thickness: 3mm / 0.12'' has NOT been scaled! (i dont know how to propely scale in blender,yet)