{"type":"rich","version":"1.0","title":"viewdep transparency: shape transp=ellipse, hull transp=tilted ellipse, correction from 2 to 1","html":"<iframe src=\"https://www.desmos.com/calculator/zjhaoqoufo?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}