https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13957144Edit ImageSaveSaveEditCropCustom TextLeft, a knife sharpener sharpening a knife; right, a sword sharpener, sharpens a sword. Gouache painting by an Indian artist.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 941 px | 300 dpiLarge JPEG 3168 x 2484 px | 300 dpiFree DownloadLeft, a knife sharpener sharpening a knife; right, a sword sharpener, sharpens a sword. Gouache painting by an Indian artist.More