{
  "HL1": 82.5,                # half-length of outer-most box
  "HL2": 52.5,                # half-length of fracture center domain box
  "HL3": 37.5,                # half-length of inner box, only used if "HL3 cube": true
  "rmax": 15.0,               # maximum fracture radius
  "rmin": 5.0,                # minimum fracture radius
  "exponent": -2.0,           # fracture radii distribution power-law exponent
  "N": 50,                    # total number of fractures created
  "seed": 0,                  # seed, should allow for reproducible geometries, at least within one system
  "HL3 cube": true,           # whether and inner cube is to be constructed
  "perimeter points": 6,      # points added along fracture perimeter line
  "polygon": false            # fracture converted from circle to n-polygon, where n = "perimeter points"
  "pole intervals": 0,        # random intervals for fracture poles in unit sphere surface space, if 0 continuous
  "center intervals": 0,      # random intervals for fracture poles in unit sphere surface space, if 0 continuous
  "uniform size rmax": false, # uniform fracture size (no powerlaw) of rmax
  "realizations": 1           # number of models to create, if >1 creates subfolders and advances seed by 1
}