A climbing element consisting of a single, central pole that arcs from the ground to the platform with alternating geometric rungs; each rung is somewhat evocative of a croquet wicket but is not a smooth arc.
A climbing element connecting two platforms consisting of isosceles triangles and rungs. The legs of the the triangles connect the platform to the ground and share a base; there are also cable rungs parallel to the base.
A semi-circular metal climbing element consisting of two concentric arc with rungs radiating from a connect connecting the arc; the center of each rung contains a circle with each circle connected to the circles of neighboring rungs.
A metal climbing element that twists from a primarily vertical orientation to a primarily horizontal orientation; consists of two concentric arcs connected by rungs radiating from the center.