Mark Sphere Axes
30 minutesmark sphere axes with precision, following established lapidary methods and verifying results at each stage.
Field context
This workflow is part of 1 niche field
Learn sphere making project from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.
mark sphere axes with precision, following established lapidary methods and verifying results at each stage.
rough grind in cups with precision, following established lapidary methods and verifying results at each stage.
check roundness with precision, following established lapidary methods and verifying results at each stage.
fine grind and polish with precision, following established lapidary methods and verifying results at each stage.
measure diameter with precision, following established lapidary methods and verifying results at each stage.
Key benchmarks for sphere making project.
| Grit | Purpose | Time |
|---|---|---|
| 80 | Rough grind | Coarse |
| 220 | Shape | Medium |
| 14000 | Polish | Fine |
Keep stone wet while grinding — dry silica dust causes silicosis.
Never skip grit steps — each stage removes scratches from the previous.
Wear safety glasses even when wet grinding — slurry splashes at high speed.