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我有如下一个边框对象:欧特克锻造观众缩放到边框
bb = {
"min": {
"x": -6.637446403503418,
"y": -19.579801559448242,
"z": -0.22575747966766357
},
"max": {
"x": 10.237555503845215,
"y": 19.15947914123535,
"z": 9.774243354797363
}
}
我要放大这个边框,使相机为中心。