A modular fence system , comprising: a plurality of fence panels , each fence panel having: a top edge and an opposed bottom edge , a left side edge and an opposed right side edge , the left side edge defining along its length a first profile , the right side edge defining along its length a second profile , the second profile being complementary to the first profile, whereby the left side edge of a first panel may be disposed in side-by-side relationship along its length to the right side edge of a second panel along its length, the top edge, bottom edge, left side edge, and right side edge defining a periphery, a plurality of barrier members residing within the periphery, a first hinge , the first hinge carried on the left side edge, and a second hinge , carried on the right side edge, and configured to align with the first hinge of a second panel, wherein the first and second hinge are disposed outboard of the panel, characterized in that the first hinge and the second hinge are helical. a plurality of fence panels , each fence panel having: a top edge and an opposed bottom edge , a left side edge and an opposed right side edge , the left side edge defining along its length a first profile , the right side edge defining along its length a second profile , the second profile being complementary to the first profile, whereby the left side edge of a first panel may be disposed in side-by-side relationship along its length to the right side edge of a second panel along its length, the top edge, bottom edge, left side edge, and right side edge defining a periphery, a plurality of barrier members residing within the periphery, a first hinge , the first hinge carried on the left side edge, and a second hinge , carried on the right side edge, and configured to align with the first hinge of a second panel, wherein the first and second hinge are disposed outboard of the panel, characterized in that the first hinge and the second hinge are helical. a top edge and an opposed bottom edge , a left side edge and an opposed right side edge , the left side edge defining along its length a first profile , the right side edge defining along its length a second profile , the second profile being complementary to the first profile, whereby the left side edge of a first panel may be disposed in side-by-side relationship along its length to the right side edge of a second panel along its length, the left side edge defining along its length a first profile , the right side edge defining along its length a second profile , the second profile being complementary to the first profile, whereby the left side edge of a first panel may be disposed in side-by-side relationship along its length to the right side edge of a second panel along its length, the top edge, bottom edge, left side edge, and right side edge defining a periphery, a plurality of barrier members residing within the periphery, a first hinge , the first hinge carried on the left side edge, and a second hinge , carried on the right side edge, and configured to align with the first hinge of a second panel, wherein the first and second hinge are disposed outboard of the panel, characterized in that the first hinge and the second hinge are helical. <EOS>