Invisible Drywall Patching I used to avoid any projects that required me to fix drywall. I thought it was impossible to make it match from every angle. Over the years I have learned a few tips to help hide patches.
Paint straight line at ceiling like pro without tape. Paint ceiling first, wrapping corner. Take ubiquitous back edge and gently score mark. Just use corner as naturally flowing guide. Using brush loaded with paint, just cover line.