https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13961175Edit ImageSaveSaveEditCropCustom Text Make it Yours.Edit, remix and personalize with your own textCustomizeOr start from these designsTechnical drawing: conventions for colour-coding materials in architectural elevations. Colour lithograph by Mackay & Kirkwood, 1860.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 770 px | 300 dpiLarge JPEG 3308 x 2122 px | 300 dpiEdit ImageMonthlyYearlySave 50%Get PremiumProfessional design resources and creative toolsfromfrom$6.50/mo$78 billed yearlyUnlimited downloadsAd-free experienceUnlock millions of creative assets and our entire Creative Studio of editable templates, mockups and design toolsBuy Now