This paper examines how mediated translations that embrace indeterminacy-from design to fabrication-can enhance material and tactile explorations. It investigates a dialogue between a digital environment that supports the design process, and fabrication processes that combine tools that are both precise (the robot) and indeterminate (casting/forming devices) in their essential functions. We present a research inquiry into this issue by providing a reflective account of a robotics-aided framework for the fabrication of inexact geometries using reconfigurable pin tools (RPT). These tools, with their inherent indeterminacy and variability, were used as a base mold for casting blocks in concrete and plaster. The central thesis of this paper is that a non-linear fabrication process-one imbued with variability rather than deterministically controlled for formulaic production/outcome-becomes a potent generator of novel forms. By focusing on process, rather than on the product of design, designers can subvert the geometrical control inherent in a digital-material output, thus favoring discovery over order and material sensitivity over determinacy-essential qualities in progressive architecture practice.