日食精准模糊影子投射器

Solar Eclipse Sharp and Fuzzy Shadow Projector

2024-03-24 21:42:21

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Summary

This will project sharp and fuzzy shadows during a solar eclipse, as well as a pinhole projection of the eclipse itself. You'll be able to see how alignment with the solar crescent affects the sharpness of the shadows.

I designed in inches, you'll probably need to scale by 2540% in your slicer. The thickness works best at .25", which makes the area around the pinhole projector a single layer on most machines. If you need to scale it to fit on your print bed, leave the Z-axis unchanged and scale the X and Y axes the same amount.

Print Settings

Printer brand:
Anycubic
Printer:
Kobra Max
Rafts:
No
Supports:
No
Resolution:
.2mm
Infill:
25
Filament brand:
Overture
Filament color:
Anything opaque
Filament material:
PLA
Notes:
Print flat

Post-Printing

If you had to scale your X and Y axes, you may need to re-open the pinhole in the center of the circle. A very small drill bit will work, or you can heat up a sewing needle with a lighter and carefully melt through. Be sure to make as close to a perfectly circular hole as possible, or the crescent projection won't be clear.