Daily Diode Workflow
The 12-step diode loop. Once muscle memory kicks in, you'll be from idea to first cut in under 5 minutes.
Pre-flight (do once per session)
- Power on diode laser.
- Open Lightburn; verify device shows "Ready" status.
- Click Home. Verify the head homes correctly.
- Open the air assist solenoid (most diode lasers don't have one, but if you've installed an aftermarket coaxial assist, turn the compressor on).
- Verify dust extraction is running.
The 12-step diode job loop
- Place material on the bed. Most diodes have a removable rubber/silicone mat or aluminum bed. Diode users often add a honeycomb sheet for cuts.
- Use a jig for repeat work. Even a 3D-printed corner stop saves time.
- Open file in Lightburn or paste from clipboard.
- Position the design over your material on screen. Most diodes use Current Position mode (where the head IS = origin).
- Set focus: if your diode has a fixed-focus head, slide the focus knob until material is at the design height. Many diodes have a built-in focus tool that snaps to the head.
- Apply layer settings: speed (mm/min), power (%), passes. Verify Mode (Line / Fill / Image) and Output toggles.
- Frame the design: F4 or click Frame. Head traces the bounds. Confirm landing on material.
- Run Preview (Alt+P): sanity check time, traversal, layer order.
- Press Start: first 30 seconds observed for tone, sparks, smoke.
- Lift and inspect with the head retracted. Diode beds aren't enclosed; air clears immediately.
- Adjust settings if needed, first run is usually a test.
- Save to Material Library if it's a repeatable result.
Frame styles (open-frame diode)
Most diode lasers don't have a Live Framing window like galvo, they use the standard Lightburn frame:
- Bounding Box (default F4), head moves to four corners of the design at low power.
- Rubber Band: convex hull traversal.
- Cut Selected Graphics: if you've selected only part of the design, frame just that.
Origin / Start From: diode usage
- Current Position (default for most diode users), the head's current X/Y becomes the design's origin. Use the 9-dot Job Origin to align (typically bottom-left for left-to-right reading designs).
- Absolute Coords: if your diode has a HOMED position, you can position the design in the workspace and have it map exactly.
- User Origin: for production with a fixed jig: home, drive to the jig's reference corner, set as User Origin. Every run loads to that fixture position.
Air assist for diodes
Most stock diodes don't have head-mounted air. Adding it is one of the highest-impact upgrades:
- Cleaner cuts (less char on wood).
- Faster cuts (smoke doesn't block the beam).
- Lens stays cleaner (huge maintenance win).
- Aftermarket air assist kits: $30-80. Installs in 30 minutes.
Multi-pass workflow
For thick cuts requiring multiple passes:
- Set Number of Passes in the layer.
- Don't move material between passes.
- For Z-step (lowering Z per pass) on diodes with motorized Z, set Z Step per Pass: 0.5-1mm typical for thick acrylic.
- Most fixed-focus diodes can't Z-step automatically; manually re-focus between passes if needed.
Stop / pause / restart
- Pause (Space bar): pauses; resumes at the same position.
- Stop (F2): full stop. Restart goes back to origin.
- Resume from interruption: Lightburn doesn't auto-resume; if a job stops mid-way, you have to re-frame and align manually if you want to continue.
Don't run unattended
Diode lasers are open-frame and burn organic materials. They flame up MORE often than enclosed CO2/fiber. Hand on E-stop or pause key during any new material. Have a fire extinguisher within reach. Never leave running.
Verified against LightBurn 2.x. UI specifics may shift in future versions; verify against your installed version.