Blog
Field guides for failed prints
Plain-English breakdowns of the most common 3D print failure modes — why they happen, how to fix them, and what to do if our diagnostic tool ever flags one of them on your print.
Troubleshooting
Top Layer Problems in 3D Printing: Gaps, Pillowing, and Holes
Gaps in the top layer, pillowing, and infill showing through are top-surface failures with distinct causes. Here's how to read each one and the specific fix — top layer count, cooling, flow, or temperature.
June 4, 202617 min readPrinter Guides
Bambu X1/X1C Problems: 8 Common Failures and Their Fixes
The Bambu X1C is the flagship enclosed CoreXY in the Bambu lineup, but its LiDAR scanner, sealed AMS, and aggressive heat retention create specific failure modes. Here are 8 common Bambu X1/X1C problems and the fix for each.
May 20, 202619 min readTroubleshooting
PETG Warping: Causes, Fixes, and Why It Lifts Differently from PLA
PETG warps less than ABS but more than PLA, and the failures look different. Here's why PETG corners lift even on a hot bed, why brand and moisture matter more than slicer settings, and the specific fixes that work for tall PETG, large flat PETG, and PETG-CF.
May 14, 202619 min readPrinter Guides
Monoprice Voxel Common Problems and How to Fix Them
The Monoprice Voxel (and its FlashForge Adventurer 3 twin) is a popular plug-and-play printer, but its quick-swap nozzle, 250°C ceiling, and proprietary build plate produce a specific set of failures. Here's how to fix the issues actual Voxel owners run into — won't stick to bed, clogs, WiFi drops, and feed jams.
May 9, 202618 min readPrinter Guides
Bambu Lab A1 Common Problems and How to Fix Them
The full-size Bambu A1 has a 256mm build volume, the AMS Lite, and the load-cell first-layer system — plus a heatbed wiring advisory that owners need to understand. Here's what actual A1 owners run into and how to fix each issue.
May 5, 202618 min readTroubleshooting
3D Print Spaghetti: Why It Happens and How to Stop It
A spaghetti print happens when your printer keeps extruding after the part detaches from the bed. The fix is bed adhesion 9 times out of 10. Here's how to diagnose which cause you've hit and stop it from happening again.
May 4, 202614 min readFilament Comparisons
ABS vs PETG: When Should You Step Up From PETG?
Step up to ABS when your print needs heat resistance above 80°C, chemical resistance, or vapor-smoothing for a glossy finish. Stay with PETG for almost everything else. Here's how to decide and what setup ABS actually needs.
May 3, 202614 min readFilament Comparisons
PETG vs PLA: Which Filament Should You Use? (A Beginner's Guide)
Use PETG when your print needs heat resistance, weather durability, or impact strength. Stick with PLA for easy printing, fine detail, and lowest cost. Here's how to decide based on what you're actually making.
May 1, 202614 min readPrinter Guides
Why Is My Creality K1 / K1 Max Failing? Common Issues and Fixes
The K1 and K1 Max are Creality's high-speed enclosed CoreXY answer to the Bambu P1S. They're capable printers with a specific set of frustrations — quick-swap hotend quirks, stock build plate adhesion, Creality OS update issues. Here's what fails and how to fix it.
April 27, 202615 min readPrinter Guides
Ender 3 V3 KE Troubleshooting: Common Issues and Fixes
The Ender 3 V3 KE shares a name with older Enders but runs Klipper, has input shaping, and an entirely different motion system. Most legacy Ender 3 troubleshooting advice doesn't apply. Here's what actually fails on the KE and how to fix it.
April 23, 202615 min readPrinter Guides
Prusa MK4 / MK4S Issues: Common Problems and Fixes
Prusa MK4 and MK4S owners run into a specific set of issues — load-cell drift, high-flow ooze, satin vs textured sheet differences, MMU3 quirks. Here's what actually fails on these printers and how to fix each, with the MK4 vs MK4S differences called out.
April 19, 202615 min readPrinter Guides
Bambu Lab P1S Issues: Why Prints Fail in the Enclosed Box
The P1S is one of the most reliable consumer printers ever shipped, but enclosed CoreXY printing introduces failure modes the A1 Mini doesn't have. Here's what actually goes wrong on a P1S, why, and the fixes — by an actual P1S user community.
April 15, 202615 min readPrinter Guides
Bambu A1 Mini Problems: 7 Common Failures and Their Fixes
The A1 Mini's open frame, AMS Lite, and load-cell first layer create specific failures. Here are the 7 common Bambu A1 Mini problems and the fix for each.
April 12, 202617 min readMaterials
How to Dry 3D Printer Filament (and Why Wet Filament Ruins Prints)
Wet filament causes stringing, fuzzy first layers, weak layer adhesion, and clogs. Here's how to tell if your filament is wet, the temperature and time to dry each material, and how to store it so it stays dry.
April 6, 202615 min readTroubleshooting
3D Printer Layer Shifting: Why Layers Suddenly Offset Mid-Print
Layer shifting is when your 3D print suddenly offsets sideways partway up. It's a mechanical failure, not a slicer problem. Here's how to identify which axis shifted, why it happened, and which fix to apply — belt tension, missed steps, or a loose pulley.
March 29, 202617 min readTroubleshooting
How to Fix a Clogged 3D Printer Nozzle (Cold Pull, Atomic Pull, and When to Replace)
A clogged 3D printer nozzle is one of the most common reasons your extruder clicks, your prints look starved, or no plastic comes out at all. Here's how to diagnose a clog, clear it with a cold pull or acupuncture needle, and when to just replace the nozzle.
March 19, 202616 min readTroubleshooting
3D Printer Under-Extrusion: Why Your Print Has Gaps and Missing Lines
Under-extrusion is when your 3D printer puts down less plastic than the slicer asked for — gaps in walls, missing lines, weak parts. Here's how to diagnose the cause (clog, wet filament, low E-steps, or low temp) and fix each.
March 9, 202616 min readTroubleshooting
How to Fix 3D Print Stringing: 6 Settings That Actually Work
3D print stringing happens when plastic oozes between travel moves. The 6 settings that fix it — drying, temperature, retraction, travel speed, nozzle, Z-hop.
February 26, 202615 min readTroubleshooting
How to Stop 3D Print Warping: 7 Material-Specific Fixes
3D print warping starts when plastic shrinks faster than bed adhesion holds it. The 7 fixes — bed temps, fan, brims, enclosure — that actually stop corner lift.
February 17, 202620 min readTroubleshooting
3D Print Not Sticking to the Bed? 7 Fixes That Actually Work
If your 3D print isn't sticking to the bed, four causes cover most cases: dirty bed, wrong Z-offset, wrong surface, or wrong adhesive. Here's how to fix each.
February 4, 202617 min readBeginner Guides
First Layer Problems in 3D Printing: 7 Patterns Diagnosed
Match your failed first layer to one of seven visual patterns to find the cause: Z-offset, levelling, temperature, or surface — and the specific fix for each.
January 22, 202619 min readBeginner Guides
Why Is My 3D Print Failing? A Visual Diagnostic Guide
If your 3D print keeps failing, the answer almost always falls into one of a few visual patterns. Identify yours and get the specific fix that resolves it.
January 8, 202621 min read