Lessons, Costs, and Files: Everything Needed to Rebuild It

Soon Young Kwon · Harvey Mudd College

Published 2026-08-25 · Last updated 2026-08-25

The lessons ledger, the audited bill of materials, and where every file lives. Coming September 2026.

Coming September 2026. This part is being written after the data freeze; the series overview lists what is already published.

FilesCAD, firmware, capture scripts, data and this text are published with the project repository.

Cite this

Kwon, S. Y. (2026). Lessons, Costs, and Files: Everything Needed to Rebuild It. Soon Young Kwon. https://www.soonyoungkwon.com/piezo/13-lessons-costs-files/

@misc{kwon2026_13lessonscostsfiles,
  author       = {Kwon, Soon Young},
  title        = {Lessons, Costs, and Files: Everything Needed to Rebuild It},
  year         = {2026},
  howpublished = {\url{https://www.soonyoungkwon.com/piezo/13-lessons-costs-files/}},
  note         = {Part of the series: A 3D-printed 15 V piezo motor, built at home. Soon Young Kwon},
}

How this was written. Bench work, data and text by the author; drafted and edited with AI assistance (Claude). Every number is tagged Measured, Derived or Estimated and cited.

Text and images CC BY 4.0 unless noted.

Changelog

2026-08-25 · first published.