Part of


  • ONL (firm) (archive creator)



Dates of creation


Level of archival description


Extent and Medium

  • 4,255 digital files (approximately 5.2 GB)

Scope and Content

Series 1, Workspace, 1995—2013, documents the administrative and design activities for the NSA Muscle project. It includes planning documentation, CAD files, and files generated or coordinated by Virtools, a 3D visualization software used to make the Muscle move, respond to users, and play sound. Major formats include Microsoft Word, Microsoft Excel, JPEG, TIFF, PDF, Maya, AutoCAD, STL, 3DStudio, WAV, and MP3.

Reference Number


Physical Description

This series contains a number of born-digital files in CAD and 3D modeling formats. Due to the complex and often proprietary nature of CAD formats, proper rendering and use of these files may require highly specific software. CCA’s dedicated Study Room CAD workstation is loaded with a wide but incomplete range of such software. For further information about services and software available for interacting with obsolete or niche file formats, please contact Collection Reference (reference@cca.qc.ca) and ask to speak with the Digital Archivist. Using a Windows XP virtual machine is recommended for the playback of digital files, particularly those related to Virtools, to ensure optimal functionality. A small number of HTML files are not fully functional, as they run JavaScript hosted on player.virtools.com, a site which no longer exists. Additionally, files with the extension .zdb, which are sliced build files for the ZPrinter 3D printer, cannot be opened using existing CCA software.


This series is arranged into three subseries: Sub-series 1, Administrative files, 1999—2004, contains documentation for the planning of the NSA Muscle. Sub-series 2, Design files, 1999—2004, contains wireframe drawings and 3D models of the Muscle. Sub-series 3, Virtools files, 1995—2013, contains files generated and coordinated by Virtools, a 3D visualization software used to make the Muscle move, respond to users, and play sound.

Conditions governing access

  • Digital material can only be accessed on-site. Please contact Reference at ref@cca.qc.ca for more information. Access by appointment only.

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