The style of the model bounding box.
+ (nonnull YMKModelStyle *)modelStyleWithSize:(float)size
(assign, readwrite) float size
Maximum linear size (other sides are calculated by using original model scales) of the model bounding box in units.
The size of the unit is equal to the size of a pixel when the camera position's tilt is equal to 0 and the scale factor is equal to 1.