use deep copy to properly initialize saved 3d json
use deep copy to properly initialize saved 3d json

plotly/plotly.js,etpinard/plotly.js,etpinard/plotly.js,aburato/plotly.js,iongroup/plotly.js,plotly/plotly.js,plotly/plotly.js,iongroup/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js,plotly/plotly.js,iongroup/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js,aburato/plotly.js