https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14005079Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsAcorns and twigs of oak (Quercus species). Pen, pencil and watercolour drawings.MoreAcorns and twigs of oak (Quercus species). Pen, pencil and watercolour drawings.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 812 px | 300 dpiLarge JPEG 3343 x 2263 px | 300 dpiFree Download