We need more information to be able to help you. What is in this file? How are you loading it? If you can share a playground with what you’re doing then it’s better Babylon.js Playground (babylonjs.com)
I already have a wireframe structure of a building in a “scene.babylon” file now I want to import that wireframe file and display it into a new project so that I can apply texture(s) on the meshes, however, it already has few colorShades and materials applied but when I try to import the file or load the file directly I get the objects but I don’t know how to display them into new project on canvas.
Ok, but how are you trying to import them? Have you seen this documentation? Loading Any File Type | Babylon.js Documentation (babylonjs.com)