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One Year In: Lessons Learned, Zero Parts Made

Spent a year with the Elara 2, and guess what? Zero watch parts made, but a ton of lessons learned. Precision matters, folks. Elara promised micron-level accuracy, but reality had other plans. Still, the journey's been eye-opening, and I'm not giving up! Check out the full saga at thebitcoinwatchmaker.com. 🛠️⌚️ #Watchmaking #PrecisionMatters

A year with the Elara 2 CNC machine taught me a ton about machining, but didn't deliver a single usable part due to its lack of promised precision. Despite trying everything, including professional help, the machine's performance fell short of the micron-level accuracy crucial for watchmaking. While the experience was a lesson in persistence and technical learning, it left a significant gap between expectation and reality, driving me to explore new hardware solutions.

It’s been a full year since the Elara 2 arrived in my workshop. In that time, I’ve poured countless hours into learning, testing, measuring, and refining. From CAM strategies in Fusion 360, to experimenting with feeds, speeds, and even multiple spring passes, this year has been an education in CNC machining unlike anything I could have imagined.

What I Learned

I didn’t step into this as an expert machinist. Quite the opposite. The Elara was supposed to be my bridge into precision watchmaking — a machine marketed with ±0.00001″ accuracy (0.0003 mm) and ±0.0002″ repeatability (0.005 mm). Numbers like that made it sound like a tool perfectly aligned with the microscopic tolerances of horology.

Over the year, I learned how much goes into producing reliable parts: tool deflection, thermal drift, motion control, encoders, and the subtle ways CAM paths can influence a cut. These lessons are valuable in their own right. But they’ve also been overshadowed by one stubborn truth.

Zero Parts Produced

Despite all the effort, I have not produced a single usable watch component on the Elara. Every test, every trial, has run into the same wall: the machine simply cannot hold the advertised precision.

  • Air passes: about 4 microns off
  • Cutting aluminum:
    • X-axis: ~33 µm off
    • Y-axis: ~50 µm off
    • Z-axis: ~85 µm off

For context: in watchmaking, a 50 µm error might as well be a canyon. Wheels don’t mesh, pinions don’t seat, plates don’t align. The promise of micron-level accuracy never showed up in practice.

The Gap Between Promise and Reality

It’s not that I haven’t tried. I’ve worked with outside engineers, tested with professional tools, and even reached out to NSCNC repeatedly. I’ve done everything a reasonable user could do. And yet, the reality remains: one year later, not a single part.

The most difficult part isn’t just the lost time. It’s the gap between expectation and reality. Buying a machine based on a specification that later gets revised downward isn’t just frustrating — it undermines trust.

Looking Ahead

While the Elara hasn’t delivered, the year hasn’t been wasted. I’ve learned more than I thought possible about machining, measurement, and persistence. And I’m already exploring new hardware paths, from upgrading motors and encoders, to rewriting the machine profiles from scratch. If anything, this experience has strengthened my resolve to keep going — because in watchmaking, persistence is the only way forward.

Still, the fact remains: after one year, the Elara has given me plenty of lessons, but zero parts. And that, more than anything, says what needs to be said about its precision.

NOSTR:

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