https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955876Edit ImageSaveSaveEditCropCustom TextSkulls: above, diagrams demonstrating the proportions of the human skull; below, four views of the skull. Line engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 849 x 1200 px | 300 dpiLarge JPEG 2244 x 3172 px | 300 dpiFree DownloadSkulls: above, diagrams demonstrating the proportions of the human skull; below, four views of the skull. Line engraving.More