public override void OnImportAsset(AssetImportContext ctx)
{
Debug.Log($"Importing G3D file: {ctx.assetPath}");
ImportHelpers.TimeBlockingOperation();
var baseName = Path.GetFileNameWithoutExtension(ctx.assetPath);
var g3d = G3D.Read(ctx.assetPath);
g3d.OutputStats();
var obj = ctx.ImportG3D(g3d, baseName);
ctx.AddRandomMaterial(obj);
ctx.SetMainObject(obj);
}