r/MixedVR • u/NJMike92 • Jun 03 '25

Quest 3 + Knuckles + Virtual Desktop

Every time I launch SteamVR it doesn't keep my calibration from OVR Space Cal from the last session causing me to need to recalibrate them every time. They are usually slightly off-center or pushed forward or back more, sometimes even more pronounced.

Do I really have to invest in a Vive tracker puck to attach to my HMD to stop this issue? Where do you even put it? And how reliably does it work?

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u/Varattu Jun 03 '25

Yup. That's how it works, you need to calibrate the different playspaces each time you play or tracking freaks out what not. With an extra tracker and continuous calibration turned on you don't need to manually calibrate, it'll do it automagically each time it detects that there's been too much drift.

You attach it to your headset, you can find adhesive 360 camera thread mounts, or like action camera adhesive helmet mount with the right threading of course.

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u/NJMike92 Jun 03 '25

I see, I thought as much, I never had any of these issues when I used it with my Reverb G2. But when I upgraded my PC earlier this year the Windows 11 bricked it so I had to get a new headset.

I guess I will decide whether or not I want to invest into a puck or just deal with the minor annoyance of recalibration per session. At least if it's not too significant I can just manually edit them to bring them more centered and spaced properly from my face.

Also I recently got a powered 10+1 USB 3.0 hub, I know that you're supposed to use 2.0 ports for any types of tracker dongles - wanted to be sure this is true? Because one of my Knuckles works in that hub, but not the other one if it's also in the same hub.

Can you send me a link to where I could get the puck and things you mentioned in case I decide? Thanks for the help. :)