📅 Session: Haptic interfaces and rendering

📖 Title: PantographHaptics: A Technique for Large-Surface Passive Haptic Interactions using Pantograph Mechanisms

👨‍🏫 Authors: Marcus Friedel: Vireo Interfaces, Zachary McKendrick: University of Waterloo, Ehud Sharlin: University of Calgary, Ryo Suzuki: University of Colorado Boulder

📜 Abstract:
In Virtual Reality, existing hand-scale passive interaction techniques are unsuitable for continuous large-scale renders: room-scale proxies lack portability, and wearable robotic arms are energy-intensive and induce friction. This paper introduces PantographHaptics, a technique which uses the scaling properties of a pantograph to passively render two-degree-of-freedom body-scale surfaces. We demonstrate PantographHaptics through a grounded prototype, HapticLever, and a wearable prototype, Feedbackpack. We evaluate these prototypes with technical and user evaluations. A 9-participant study compares HapticLever against traditional haptics, while a 7-participant second study verifies Feedbackpack's usability and interaction fidelity.

https://ieeevr.org/2025/