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Universal Parametric Microscope Eyepiece Cover — image 1
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Universal Parametric Microscope Eyepiece Cover

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Customizable protective eyepiece cover for microscopes with personalized text inlay

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Model information

License
Creative Commons — Attribution — Noncommercial — Share Alike

What is this?

A fully parametric eyepiece cover for microscopes that protects the eyepieces from dust and debris when not in use. The design features customizable text engraving on the front (left and right sides), allowing you to personalize your microscope or add identification labels. Originally designed for standard binocular microscopes with standardized 30mm eyepiece od with rubber eye guard, but the design can be easily customized in Autodesk Fusion 360 to fit virtually any microscope by simply adjusting a few parameters (see below).



Available parameters

ParameterDefault ValueUnitDescription
eyepiece_od40.70mmOuter diameter of your microscope eyepiece
clearance0.40mmGap between eyepiece and cover for easy insertion/removal
wall_thickness3.50mmThickness of the cover walls
cover_height20.00mmHeight of the eyepiece cover
interpupillary_dist23.50mmEyepiece interpupillary distance. Measured edge-to-edge
bridge_thickness10.00mmThickness of the connecting bridge between left and right covers
lx_textSEEING IS BELIEVINGTextCustom text for the left eyepiece cover
rx_textVIDĒRE EST CRĒDĔRETextCustom text for the right eyepiece cover

Instructions

  1. Open the .f3d file in Fusion 360
  2. Click "Modify" → "Change Parameters" in the toolbar

For a different microscope:

  • Measure your eyepiece outer diameter and modify eyepiece_od
  • Measure the distance between eyepiece centers and adjust interpupillary_dist
  • Adjust clearance if the fit is too tight or too loose (current value set for resin 3d prints)

For custom text:

  • Modify lx_text for the left eyepiece text
  • Modify rx_text for the right eyepiece text
  • Leave blank for no text

For different sizing:

  • Adjust cover_height to make the cover taller or shorter
  • Modify wall_thickness for stronger or lighter construction
  • Change bridge_thickness to adjust rigidity of the connecting bridge

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