https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/10184837Edit ImageSaveSaveEditCropCustom TextInterior of a Bernal sphere with glider (1976) illustrated by Rick Guidice. Original public domain image from Wikimedia Commons. Digitally enhanced by rawpixel.Original public domain image from Wikimedia CommonsMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 886 px | 300 dpiLarge JPEG 1886 x 1393 px | 300 dpiTIFF 1886 x 1393 px | 300 dpi | 15.07 MBFree DownloadInterior of a Bernal sphere with glider (1976) illustrated by Rick Guidice. Original public domain image from Wikimedia Commons. Digitally enhanced by rawpixel.More