How does the sun shade on this space helmet fit into the helmet?

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SUMMARY

The discussion centers on the fitting of the sun shade on a space helmet, specifically addressing the perception of its placement and deployment mechanism. Users clarify that the apparent misalignment is due to the illusion of perspective when viewing a three-dimensional object in two dimensions. The sun shade's design allows it to rotate around a knob, which facilitates its deployment while maintaining a compact fit within the helmet's structure.

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  • Understanding of basic geometry and perspective in 3D modeling
  • Familiarity with space helmet design and functionality
  • Knowledge of optical illusions and visual perception
  • Experience with mechanical deployment mechanisms in engineering
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  • Research the principles of perspective in 3D graphics
  • Explore the mechanics of sun shade deployment in aerospace engineering
  • Study the design features of modern space helmets
  • Investigate optical illusions and their effects on visual perception
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Aerospace engineers, industrial designers, and anyone interested in the mechanics and design of space equipment will benefit from this discussion.

stevelovell
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Okay, I realize I'm a bit stupid, but how does the sun shade on this photo fit into the helmet? I mean, it OBVIOUSLY does, but when rotating the shade shape around the knob that deploys it, it doesn't appear to fit in the back of the helmet.
Even though they're curved, it doesn't seem to make sense to me.

Cheers.

Side view: http://flic.kr/p/9ajwWP
Front view: http://flic.kr/p/9anKU5
 
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It's just an illusion of perspective, trying to project a 3d object in 2d when it isn't oriented perpendicular to you - the front is rotated toward you, making it appear bigger than the back.
 

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