Oculus Rift CV1 Prescription (rectangular) lens adaptor
by unfinishedteleporter, published
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The provided STL mesh is for a set of Zarruchi Z04 lenses with an IPD of 63mm.
Used jegstad's design as a basis for the outer frame/holder by redoing it in FreeCAD and ensuring dimensions matched (i.e didn't end up using the same mesh), except I made some changes to the 'fingers' at the bottom.
I was playing around with the new expression-constraint features in FreeCAD 0.16, by linking to a set of internal spreadsheets. It should be possible to adjust the values to produce a new printable model that will fit sufficiently tightly around other pillowed-rectangle shaped lenses. Maybe an old pair of prescription lenses could be used. My primary reason for uploading is that someone else may find the measurements for the outer frame in the freecad model useful.
If you do try to use this design however, I suggest adjusting the values in the "LH" and "LENS" spreadsheets. The "UC" spreadsheet controls the outer shape and shouldn't need to be adjusted. Then cut out everything but one of the central 'holder' parts, and print that out until it fits.
Warning: this puts the lenses very close to the rift's own Fresnel lenses (at least for my prescription), so be careful!
Note: The photos are actually a slightly earlier revision, also my final print was in black PLA, not green.
Print Settings
Printer Brand:
LulzBot
Printer:
TAZ 6
Rafts:
No
Supports:
Yes
Resolution:
0.2mm
Infill:
20%
Notes:
Material I used: PLA
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I'd suggest downloading lens_adaptor_mk2_v18.fcstd and playing around with it in freecad. If your lenses aren't too different from mine, adjusting the values in the built-in spreadsheet should allow you to get it to fit. I wasn't able to just measure and then print - I had to print, adjust, print adjust (using a lower print resolution) a few times to get it right. It's been a while since I made this, so you'd probably have just a good a chance of adjusting it as me :)
willing to help me make this work with my old glasses? let me know i can get the demensions
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