Share Email Facebook Twitter LinkedIn HPDOUBLE (System Variable) 2013-04-10 Product Documentation Intermediate View Original Specifies hatch pattern doubling for user-defined patterns. Doubling specifies a second set of lines drawn at 90 degrees to the original lines. 0 Turns off hatch pattern doubling 1 Turns on hatch pattern doubling Related References Commands for Hatches and Gradients Related Concepts About Hatch Patterns and Fills