Virtual Design Analysis Group is a division of NVentum, LLC.

This unique collaborative endeavor; to utilize the latest reality capture technology to document the artifacts, buildings and campus of History San Jose, provides opportunities for private sector, non-profits and institutions of higher education to work together to solve some of today's most pressing engineering issues. The protocol for retrofitting as-built historic facilities and the use of new technologies to preserve our most prized historic treasures are vital to the continued success and expanded influence of our museums.
This blog will document the challenges and successes of this ambitious, one of a kind project.

Sunday, April 22, 2012



Alexander Lefebvre of Saint-Denis, France is credited with building the world's first two wheel velocipede powered by treadles connected to cranks on the rear wheels in 1842. He brought the bicycle to California when he immigrated twenty years later. 
The Lefebvre Bicycle is the oldest bicycle of its' kind in existence and it currently resides at the San Jose History Museum.

Lefebvre Bicycle Images Courtesy Of 

Raw Laser Scan by Ken Hanna, NVentum, LLC.

Unrestored, The  Originial Lefebvre Velocipede Lives at History San Jose's Collection Center
Laser scanning and 3D documentation provides owners, curators and operators with highly detailed information about the construction and condition of the artifact. The laser scans contain exact dimensions and measurements of all the artifacts' components. Scanning the artifact prior to restoration provides a platform for virtual restoration as well as a 3D schematic for reference

Laser Scans by Ken Hanna, NVentum, LLC.

Laser Scans by Ken Hanna, NVentum, LLC. 

Laser Scans by Ken Hanna, NVentum, LLC. 

Laser Scans by Ken Hanna, NVentum, LLC. 

Laser Scan by Ken Hanna

Photo Courtesy of History San Jose
Laser Scan by Ken Hanna, NVentum, LLC.

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