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Ask The Nozzle

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Practical 3D printing from the people behind the ATN Slicer and Printer Farm: first-layer settings, failure diagnosis, slicer profiles, running a print farm, and what we learn running one.

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Slicer & Settings18 June 2026

Best First Layer Settings in PrusaSlicer: The Exact Values That Make Prints Stick

The first layer is where most prints live or die. Get it right and everything above it falls into line. Get it wrong and you’re peeling spaghetti off the bed an hour…

AI & Tools17 June 2026

3D Print Defect Identification Tool: How to Spot, Diagnose and Fix FDM Failures Fast

Every FDM defect is a symptom, not a root cause. A blob, a string, a shifted layer — those are physical signs of an imbalance somewhere in motion control, extrusion,…

AI & Tools16 June 2026

AI 3D Printing Assistant Chat: What Actually Works, and What’s Just Hype

Search for an ai 3d printing assistant chat and you’ll get a dozen different things wearing the same badge: a tuned ChatGPT, a photo-upload troubleshooter, a slicer…

Print Troubleshooting15 June 2026

PETG Stringing Fix: The OrcaSlicer Settings That Actually Work

If you’ve printed even one spool of PETG, you’ve met the spider webs: fine, fuzzy strands draped across your part, bridging every travel move. The good news is that a…

Print Troubleshooting14 June 2026

First Layer Adhesion Problems with PLA: The Real Causes and Exact Fixes

PLA is meant to be the easy one. Low print temperature, minimal warping, forgiving on a cold day. So when you hit first layer adhesion problems with PLA, it’s genuinely…

Print Troubleshooting13 June 2026

First Layer Adhesion Issues with PETG: Why It Sticks Too Well (and Sometimes Not at All)

If you’ve come from PLA, PETG breaks your instincts. The most common first layer adhesion issues with PETG aren’t about prints lifting off the bed — they’re about prints…

AI & Tools11 June 2026

G-code Checker Before Printing: Catch Failures Before They Cost You

You sliced the model, the preview looked fine, and you hit print. Six hours later you’re staring at a spaghetti monster, a delaminated wall or a nozzle that’s been…

AI & Tools10 June 2026

The 3D Print Troubleshooting AI Tool That Actually Tells You Which Setting to Change

The research notes confirm that no factual claims in this article contradict the verified notes, and there are no specific specs or figures in the notes that map to…

Slicer & Settings9 June 2026

OrcaSlicer First Layer Adhesion Settings: The Exact Values That Make Prints Stick

If your prints are lifting at the corners, refusing to stick, or leaving a smeared, gappy first layer, the fix is almost always in your slicer — not your glue stick.…

Printers & Materials8 June 2026

The Best Creality K2 Plus Mods (and Which Ones Are Actually Worth It)

The Creality K2 Plus is a big, fast CoreXY with a genuinely capable multi-material system, so out of the box it does most things well. But “most things” isn’t…

Manufacturing & Motorsport7 June 2026

Custom Race Engine Components in the UK: How 3D Printing Fits the Motorsport Workflow

If you’re hunting for custom race engine components in the UK, you’re almost certainly juggling two realities: the parts that have to be machined from billet metal, and…

Slicer & Settings7 June 2026

PrusaSlicer Settings to Fix First Layer Problems (Exact Values)

The first layer makes or breaks a print. Get it right and everything above it tends to behave; get it wrong and you’re peeling stringy pancake batter off the bed at 3am.…