Private on-device repair evidence

Gaps Between First-Layer Lines

A detailed STLBEAST repair guide to close visible gaps without crushing the first layer. Learn how to recognize the symptom, rank the likely causes, apply safe fixes in order, verify the result, and prevent the failure from returning.

Not started0 of 8 stepsNot yet saved

Visual repair reference for gaps between first-layer lines — A small representative test no longer shows the original symptom.

First safe actionRun the first safe check and change one variable at a time.

Proof targetA small representative test no longer shows the original symptom.

Controlled tests logged0

Verification resultNot recorded

Machine and material context

Record the setup that produced this result

Printer Extruder Material Slicer Nozzle / layer

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Optional visual proof

Add before and after photos for this report

Before repairChoose a photo After proof testChoose a photo

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One variable at a time

Controlled test history

No controlled tests have been logged yet. Return to Workshop Mode and record each change before running another test.

Repair sequence

Step completion

1
Document the failure and confirm that it matches this guide: Separate lines leave the build surface visible between passes.Not completed
2
Return extreme overrides to a known printer, nozzle, material, and slicer profile so the diagnosis starts from a stable baseline.Not completed
3
Check z offset too high. Lower Z offset slightly.Not completed
4
Check first-layer flow too low. Return first-layer flow to baseline.Not completed
5
Inspect nozzle restriction. Check extrusion consistency.Not completed
6
Rule out incorrect line width profile. Verify line width and nozzle size.Not completed
7
Change only the single setting or hardware condition supported by the evidence, then run a small test that reproduces the original failure.Not completed
8
Compare the test against the target condition, record the successful value, and save it in a printer/material profile before repeating the full print.Not completed

Private workshop notes

Observations and winning values

No notes recorded.

Verification test

Model: Single-layer five-zone test
Setup: Use the final plate, material, mesh and first-layer profile.
Pass: Lines join evenly in the centre and corners, with no scraping, gaps or lifting.
If unchanged: One or more zones remain loose, transparent, ridged or detached.

Matched next step

Fix the first layer, then print something worth keeping.

Use the free calibration path, save the settings that worked, and explore the Characters & Creatures collection that includes Bed Leveling Gremlin.

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Gaps Between First-Layer Lines

Verification test

Keep the winning setup and change only one variable in the next test.

Fix the first layer, then print something worth keeping.