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Digitizing in 3 Dimensions

Creating 3D models of objects

Overview

This section provides tips for photographing in indoor, outdoor, and studio settings. 

Tips for indoor and outdoor photography

General Settings - Indoor/Outdoor shooting

  • Focus - use a high f-stop to avoid blurry backgrounds that will distort your 3D models (the more open your aperture is, the more depth of field you’re going to get, aka more separation in your focus (a higher f-stop prevents this).
  • Avoid Motion Blur - a shutter speed of 150+ avoids handheld motion blur, otherwise you need to use a tripod or shoot hands-free with a remote shutter. 
  • Well Exposed - make sure it is well/evenly lit and avoid too high of an ISO because ISO creates excessive noise. Once these settings are in place, there is no need to change them again! Shoot manual to make sure it doesn’t automatically switch up on you.
  • For indoor shooting, evenly light with soft light, possibly with bounce light. Take 12-15 photos per quarter view of the object.
  • For outdoor, Overcast conditions are best, so it doesn’t bake light into your scan. Soft light is preferable, shoot in shade and if light is necessary, use a bounce or reflector.
  1. f-stop - the amount that the aperture of the camera lens opens, which controls the amount of light that enters
  2. ISO - the setting on a digital camera that controls how dark your photo will be

Studio Photography

Studio (room without windows)- lighting, set up, turntables

  • Setup is much more involved, but once things are in place it can almost be automated
  • DSLR/Apps can be set to take a photo every few seconds
  • Turntables make it so you don’t have to walk circles around the object, and grabbing focus is much easier
  • Light can be controlled using lights on stands, ring lights, and polarizing filters