When you purchase the CAD hatch patterns library from you will be emailed a download link to download the ArchBlocks Hatch Patterns.zip file. Installing Hatch patterns for use in AutoCAD has never been easier. Installation instructions for AutoCAD® 2018, 2019, 2020, 2021 and AutoCAD LT 2018® 2019, 2020, and 2021.Įasy AutoCAD Hatch Installation Instructions AutoCAD 2018, AutoCAD 2019, AutoCAD 2020, AutoCAD 2021. There are also instructions for installing the hatch patterns for AutoCAD R14 to 2014 below this first set of instructions. The first set of instructions are for installing the AutoCAD hatch patterns in AutoCAD 2018, 2019, 2020, and 2021.These instructions are the same for AutoCAD LT 2018, 2019, 2020, and 2021. Here are the instructions for installing the ArchBlocks Hatch Patterns for AutoCAD.