Substrate (Everything. Every Detail.) presents a circular field of intricate, organically branching lines laser-etched into anodized aluminum, their paths determined by algorithmic processes that mimic the logic of biological growth and systemic emergence. The 61-centimeter diameter panel radiates an almost geological presence, the matte surface absorbing and deflecting light in ways that shift the work's tonal character depending on viewing conditions. Reas, a co-creator of the Processing programming language and a foundational figure in software-based art, generated the underlying structure through code that establishes simple rules and then releases them to produce complexity far exceeding human draftsmanship. The result is a composition that feels simultaneously discovered and designed, poised between natural form and computational precision. The choice of laser-etched anodized aluminum is central to the work's meaning and its appeal as an object. Unlike print or canvas, the aluminum substrate carries a cool industrial authority that underscores the technological origins of the image, while the etching process creates marks that are permanently inscribed into the material rather than applied on top of it. This integration of process and surface gives the work a satisfying permanence and physical integrity that distinguishes it from the artist's screen-based output. The circular format reinforces a sense of wholeness and containment, framing the generative system as if capturing a single, irreproducible instant from an infinite possibility space. For collectors, Substrate (Everything. Every Detail.) represents a significant and collectible intersection of conceptual rigor and material refinement within Reas's practice. The work is signed and offered through bitforms gallery, a longstanding champion of digital and new media art, lending it strong provenance within the field. As institutional and critical attention to software art continues to grow, pieces from this period of Reas's career, in which he explored the translation of algorithmic logic into durable physical form, hold particular resonance for collections attentive to the deeper histories of computational creativity.