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CU Boulder Releases OpenVCAD, an Open-Source Engine for Multi-Material 3D Design

It targets functionally graded parts by mapping spatially varying materials with code.

Overview

  • Developed in CU Boulder's Matter Assembly Computation Lab, OpenVCAD was led by PhD student Charles Wade under assistant professor Robert MacCurdy.
  • The methods and demonstrations are detailed in a peer-reviewed paper in the journal Additive Manufacturing.
  • The team validated the approach on multiple printers, including a system capable of depositing up to five materials at once.
  • OpenVCAD is fully open-source with a Python implementation that users can import to begin designing with a single line of code.
  • Wade describes the tool as the first widely available code-based system for multi-material design, with reported early adoption for surgical models, soft robotics, and lattice structures.