Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40658-022-00447-1/MediaObjects/40658_2022_447_Fig3_HTML.png)
The average CT voxel value within post structures as a function of post diameter for the three microsphere concentrations within the CT calibration phantom: 0.5Â mg/mL, 5.0Â mg/mL, and 25.0Â mg/mL. Error bars represent the standard deviation of the voxel values within a post