Lighthouse Stylus_
An open-source, low-cost 6-DoF spatial stylus you can build and use for your own projection-based interface research. Sub-millimeter accuracy. Replicable. Yours to hack.
01 — Give feedback
Just tried the demo? Share your experience in a short feedback form.
Open feedback form →02 — Explore the source
Hardware files, firmware, and documentation are on GitHub. Fork it, break it, improve it.
View on GitLab →03 — Stay in the loop
Occasional updates on this and other projects — no noise.
04 — Read the paper
Published in the proceedings of TEI '26. Full text via ACM Digital Library.
Read on ACM DL →
@inproceedings{10.1145/3731459.3779348,
author = {Rijnieks, Krisjanis},
title = {Lighthouse Stylus: An Accessible 6-DoF Input Device for Projection-Based CAD/CAM Interfaces},
year = {2026},
isbn = {9798400718687},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
url = {https://doi.org/10.1145/3731459.3779348},
doi = {10.1145/3731459.3779348},
booktitle = {Proceedings of the Twentieth International Conference on Tangible, Embedded, and Embodied Interaction},
articleno = {88},
numpages = {6},
series = {TEI '26}
}