Use it

Using the machine

Mount a stone, home, clamp a tool, pick a pattern and start. One knob runs everything.

How-to

How to start a run

1Mount the stone

2Home the machine
3Put in and secure a cutting tool

4Adjust the sharpening pressure

Software

One knob, one screen

Purpose-built firmware for the ESP32, optimized for its 1.9" display. Turn, push, hold. That’s it.

TURNScroll · change speed live while running
PUSHSelect · pause a run
HOLDBack · drip rate while running

Built-in

Sharpening patterns

Pick a path, adjust speed on the fly. Paths shift every cycle to keep the stone flat.

In action

The machine running

Video coming soon