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Most adhesion problems come from a dirty build surface, incorrect Z offset, uneven bed mesh, wrong first-layer temperature, or trying to print a difficult material without enough brim or enclosure control.
Adhesion Fix Path
Fix Bed Adhesion Problems Fast
Fix bed adhesion problems with a step-by-step path for clean build plates, Z offset, first layer squish, PEI sheets, brims, glue stick, material settings, and warped prints.
Fix 3D Printer StringingFix First Layer ProblemsStop 3D Prints From WarpingFix Layer Shifts on 3D PrintsFix a Clogged 3D Printer NozzleFix Under-Extrusion and Weak LinesFix Over-Extrusion, Blobs, and Rough WallsFix 3D Printing Support ProblemsFix PETG Printing ProblemsFix TPU Printing ProblemsFix Resin 3D Print ProblemsNeptune 4 Pro Troubleshooting HubOrca Slicer Troubleshooting and Settings HubDiagnose Failed 3D PrintsFix Z-Banding and Repeating Layer Lines
What this page helps with
bed adhesion, prints not sticking, corners lifting, PEI sheet, glue stick, brim, first layer grip.
Use this as a landing page first, then jump to the most specific detailed guide below.
What it looks like
- Print releases during the first few layers
- Corners lift from the bed
- First layer beads up instead of flattening
- Small parts detach while printing
- PETG bonds too hard or PLA does not grip enough
What usually causes it
- Build plate has skin oil, dust, glue buildup, or filament residue
- Nozzle is too far from the bed
- Bed mesh or leveling is not accurate
- First layer is too fast or too cool
- Part has too little contact area for the material
Do this in order
- Clean the build plate with the right method for that surface.
- Reset Z offset and confirm the first layer is slightly flattened, not scratched in.
- Rebuild the bed mesh or manual leveling routine.
- Slow the first layer and raise bed/nozzle temperature only within safe material ranges.
- Use a brim, mouse ears, or orientation change for narrow-contact parts.
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Useful tools
Tools and checks that may help
PEI build plate
Isopropyl alcohol where appropriate
Bed adhesive or glue stick
Digital feeler gauge or paper-leveling check
Tool suggestions are context only. Fix the symptom first, then use the right tool if the diagnosis actually points to it. Some recommended-tool pages may include affiliate links with disclosure.
FAQ
Fast answers
What should I check first?
Most adhesion problems come from a dirty build surface, incorrect Z offset, uneven bed mesh, wrong first-layer temperature, or trying to print a difficult material without enough brim or enclosure control.
Should I change many slicer settings at once?
No. Make one controlled change, test again, and save the working result in Profile Vault. Random setting changes make print failures harder to diagnose.
When should I use AI Doctor?
Use AI Doctor when the symptom is unclear, when the print failed in multiple ways, or when you want to connect a failed-print photo to the right guide path.