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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.
Printer 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 Lab A1 Mini Common Problems and How to Fix Them
The Bambu A1 Mini is one of the most popular beginner printers, but its open-frame design and AMS Lite create specific failure modes. Here's how to fix the issues actual A1 Mini owners run into — warping, AMS jams, first-layer misreads, and more.
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
3D Print Stringing: Causes and How to Fix It
3D print stringing happens when plastic oozes during travel moves. Here's how to diagnose the cause, fix it with retraction tuning, and prevent it.
February 26, 202614 min readTroubleshooting
3D Print Warping: Why Corners Lift and How to Stop It
3D print warping happens when plastic cools and shrinks faster than the bed can hold it down. Here's how to stop corners from lifting — by material, with the specific bed temps, enclosure tactics, and brim settings that actually work.
February 17, 202619 min readTroubleshooting
Why Your 3D Print Isn't Sticking to the Bed (And How to Fix It)
If your 3D print isn't sticking to the bed, the cause is almost always one of four things: a dirty bed, the wrong Z-offset, the wrong surface, or filament that needs a different adhesive strategy. Here's how to fix each.
February 4, 202617 min readBeginner Guides
First Layer Problems in 3D Printing: The Complete Beginner's Guide
A beginner's visual guide to diagnosing first layer problems in 3D printing. Match your failed first layer to one of seven patterns, learn what's causing it, and get the specific fix — Z-offset, leveling, temperature, or surface.
January 22, 202619 min readBeginner Guides
Why Is My 3D Print Failing? A Beginner's Diagnostic Guide
A complete diagnostic guide to 3D print failures. Match your problem to one of twelve common failure types — first layer, adhesion, warping, stringing, layer shifts, under-extrusion, clogs, and more — and get the right fix in minutes.
January 8, 202621 min read