# \donttest{
url <- "https://github.com/Telfer/BoneDensityMapping/releases/download/v1.0.2/test_CT_femur.stl"
bone_filepath <- tempfile(fileext = ".stl")
download.file(url, bone_filepath, mode = "wb")
surface_mesh <- import_mesh(bone_filepath)
internal_fill <- fill_bone_points(surface_mesh, 2)
# }
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