A system for building a reconfigurable trellis includes at least one slidable pole connector configured to slide along a pole and at least one cable connector configured to connect at least one strand connector configured to connect a strand such as a rope or wire to a pole. The slidable pole connector includes a first portion configured to slide along a first pole and a second portion extending perpendicularly from the first portion and configured to receive an end of a second pole. The strand connector may be a rope connector including a cylindrical sleeve configured to slide along a pole and a pad eye configured to hold an end of a rope. The connectors may be used to secure a plurality of vertical poles, horizontal poles, and strands to one another in a variety of adjustable configurations.