DHC-7 Digital Twin

A visual digital twin of the DHC "Dash" 7 to be used in renders and virtual reality visualizations.

Role

3D Modeling Intern

TOOLS

Blender, Substance 3D Painter

TIMELINE

2 Weeks

3D MODELING
ANIMATION

OVERVIEW

Challenge Overview

As part of the Electrified Powertrain Flight Demonstration (EPFD) project, NASA and partners are creating hybrid-electric variants of select aircraft. The DHC-7 showcases a collaboration between NASA and magniX.

The GVIS lab needed a mesh model that was flexible enough to be used in both 3D prints and used in XR visualizations.

Research

research

Gathering Data on the Dash 7

With only 11 remaining active DHC-7, reference was taken from available photos and similar aircraft on a trip to the NASA Glenn hangar.

Variable pitch propeller reference

Wing flap and riveting reference

General aircraft paneling reference

Model Creation

model production

Modeling in Blender

The model references original 1977 orthographic drawings and was created in Blender using a combination of hard surface and subD techniques.

Frequent, iterative saving and version control were two techniques used to remain organized throughout the modelling process.

Model production

UV Unwrapping and Texturing

The aircraft was textured in Adobe Substance 3D Painter using a combination of projection, hand-painting, and procedural techniques.

  • Mirrored UVs improve organization and editing.

  • Objects with logos on them have higher texel density to ensure clarity.

  • The aircraft uses 7 texture sets so that it can be modularly updated if the design changes.

A GIF showcasing the final PBR (physically-based rendering) texture maps.

Final Deliverables

Model production

Organization and Extra Functionality

  • Aircraft components are labelled with consistent naming schemes.

  • Propellors, doors, landing gear, wing, and tail flaps are animation-ready.

final deliverables

In-Context Renders