https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13972893Edit ImageSaveSaveEditCropCustom TextA female figure at an easel is helped by another with a compass; representing perspective and geometry in art. Coloured stipple engraving, 1786.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 789 x 1200 px | 300 dpiLarge JPEG 2147 x 3267 px | 300 dpiFree DownloadA female figure at an easel is helped by another with a compass; representing perspective and geometry in art. Coloured stipple engraving, 1786.More