https://www.rawpixel.com/services/licenseshttps://www.rawpixel.com/image/9602066Edit ImageSaveSaveEditCropCustom TextObserving eye, master mason's chart. Remixed by rawpixel.View public domain image source hereMorePremiumInfoView personal and business license This remix may contain elements from within the public domainJPEGTIFFBanner JPEG 1200 x 800 px | 300 dpiLarge JPEG 1500 x 1000 px | 300 dpiBanner TIFF 1200 x 800 px | 300 dpiBest Quality TIFF 1500 x 1000 px | 300 dpi | 8.62 MBObserving eye, master mason's chart. Remixed by rawpixel.More