Walkthrough · 01

Calibrate bed mesh

Get a perfect first layer at any bed temperature

Level Intermediate Time ~10 min Steps 3

Aluminium build plates aren't perfectly flat — most bow by tens of microns as they heat. A bed mesh maps that bow at a specific temperature so the toolhead can follow the surface during the first layer instead of crashing through it. 3DISM stores three meshes — one for each temperature range — and auto-picks the right one when a print starts.

Step 1 — Open Bed Mesh from the More menu

From the home screen tap More → Bed Mesh. You'll land on a panel with three temperature-range cards: 60 – 80 °C for PLA / TPU, 80 – 100 °C for PETG / ASA, and 100 – 120 °C for ABS / PC. Each card stores its own mesh profile.

Cards with a green border + a green saved dot already have a profile. Cards without are blank — calibrate those before printing in that material range.

1

60 – 80 °C card

Mesh for PLA / TPU prints. Green border = profile saved. Tap Calibrate to (re)measure at this card's target temperature.
2

80 – 100 °C card

Mesh for PETG / ASA. The grey border + 'not saved yet' note tells you this profile is missing — calibrate it before your first PETG print.
3

100 – 120 °C card

Mesh for ABS / PC. Worth re-measuring whenever you swap to a new build plate.
4

Target temperature

The exact bed temperature the mesh will be measured at. Use ± to tweak inside the range (most users leave it at the default).
5

Calibrate button

Starts the full measure cycle: heat → home → probe a grid of points → save as a profile named after this card's range.

Tip. Re-mesh after physical work on the printer — new build plate, swapped probe, removed and reseated the bed. Once a year on a stable machine is usually plenty.

Step 2 — Start the calibration

Tap Calibrate on whichever range you want to measure. The panel switches to a running view showing live progress through the cycle:

• HEATING — bed heats to the target. Bigger temperatures take longer (ABS at 110°C can be a 5-minute wait).

• HOMING — toolhead finds X, Y, and Z reference points.

• PROBING GRID — touches the bed at ~25 points to map the surface.

• SAVING — fires SAVE_CONFIG to commit the profile, then the printer reloads Klipper.

Total time: ~5 minutes per mesh. The screen returns to the main panel automatically when done — you'll see the freshly-saved card now has a green border.

1

Phase title

What stage of the cycle we're in. Goes through HEATING → HOMING → MEASURING → SAVING → COMPLETE. The line below it names the profile that will be saved.
2

Live bed temp

Current / target bed temperature. Yellow while heating, green when at target and ready to probe.
3

Progress bar

Percentage through the current phase. Updates once per second.
4

Phase explanation

Plain-language description of what the printer is doing in the current phase, plus what comes next.

Heads up. Don't touch the toolhead or bed while the mesh is probing — bumping it offsets the entire mesh by however much you moved it.

Step 3 — Profiles are auto-selected at print start

Once you've saved meshes for the temperatures you print at, you don't need to do anything else. When a print starts, the slicer's bed-temperature line tells 3DISM which range it falls into, and the matching profile loads automatically.

Bed at 65°C → 60-80 profile loads.
Bed at 90°C → 80-100 profile loads.
Bed at 110°C → 100-120 profile loads.

Tip. If no profile matches the print's bed temperature, the printer falls back to a flat plane (no compensation). Your first layer will still print — it just won't track surface bow. Calibrate the matching range when you can.

Calibrate bed mesh

Step 1 — Open Bed Mesh from the More menu

Step 2 — Start the calibration

Step 3 — Profiles are auto-selected at print start

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