
SlimeVR has launched its subsequent crowdfunding marketing campaign, this time seeking to get backers enthusiastic about its next-gen ‘Butterfly’ physique trackers, which promise to be thinner, lighter, and provide a longer-lasting battery.
SlimeVR’s crowdfunding marketing campaign for the brand new Butterfly Trackers shortly crossed its $180,000 funding objective when it went dwell on February ninth, now sitting at over $347,000 from practically 760 backers.
Very like the unique SlimeVR Full-Physique Tracker, which attracted greater than $9 million in 2021, the IMU-based physique monitoring answer lets VR customers higher articulate their avatars with out the necessity of base stations or exterior sensors of any kind. It’s additionally helpful for issues like movement seize and VTubing.

That stated, Butterfly Trackers are constructed utilizing the identical monitoring expertise and the ICM-45686 IMU chip by TDK as the unique, one thing SlimeVR notes additionally contains the identical lengthy drift reset instances and monitoring high quality.
The important thing innovation nevertheless is the inclusion of a customized 2.4 GHz dongle as an alternative of Wi-Fi, which basically permits the trackers to be smaller, lighter, and have an extended battery life. SlimeVR estimates every tracker can last as long as 48 hours on a single cost, which is greater than double its unique Full-Physique Trackers.
And since they’re so skinny and light-weight, this additionally features a few new strategies of attachment, together with instantly through straps, clips, and even iron-on patches.

Notably, all SlimeVR trackers are suitable with standalone headsets, together with Meta Quest, Pico, or Steam Body, in addition to any headset that makes use of SteamVR.
The marketing campaign’s lowest backer tier is the ‘Core Set Bundle’, which incorporates six Butterfly Trackers for $279, that are estimated to ship by Aug thirty first, 2026. SlimeVR says the six-unit bundle is sufficient to observe the place and rotation of your hip, knees, and chest, in addition to the place (re: not rotation) of your toes.
You possibly can try the complete specs listing and extra funding tiers over on the SlimeVR Butterfly Tracker Crowd Provide marketing campaign, which ends March nineteenth.
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