r3f

``` import { IFCLoader } from "web-ifc-three"; import { IFCSPACE } from "web-ifc"; import { useRef } from "react"; import { useEffect } from "react"; ......

``` import { useTexture } from "@react-three/drei"; import { useFrame, useThree } from "@react-three/fiber"; import React, { useRef } from "react"; im ......