Welcome to The Layer Guide. This is where we work through the things a product page will never tell you: which temperature actually stops PLA stringing, whether a 3D pen is safe to hand a seven-year-old, and what to do when the nozzle clogs mid-project.
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Buyer's Guides
How to choose a 3D pen or printer: the specifications that matter, and the ones you can ignore.
5 articles →
Materials Science
PLA, ABS, PETG, PCL and resin: how each material behaves, what it needs, and which pens and printers take it.
1 article →
Safety
Burns, fumes and supervision: what the temperature figures actually mean, and how to set up a 3D pen or printer safely, especially for children.
1 article →
Troubleshooting
Clogged nozzles, filament that won't feed, prints that won't stick: fixes in the order worth trying them.
1 article →
Latest
3D Printer Guides
Filament or Resin: Which 3D Printer Should You Buy First?
Resin wins on detail and loses on almost everything a beginner meets first. Here is how the two compare, and…
3D Printer Guides
How to Choose Your First 3D Printer
Speed figures tell you least. What decides whether a first 3D printer gets used: calibration, bed size, enclosure, colour and…
Troubleshooting
My 3D Pen Is Clogged: Eight Fixes, in Order
Eight fixes for a clogged 3D pen, from the free heat-and-unload trick to clearing the nozzle, plus how to stop…
3D Pen Guides
3D Pen Gift Guide: What to Buy for Every Age
One 3D pen for each kind of recipient, from a six-year-old to a model maker, plus the mat, refills and…
3D Pen Guides
Best 3D Pen for Kids: What Changes Under Ten
Under ten, a child needs a pen with no external hot parts. One pick per age, what comes in each…
Safety
Is a 3D Pen Safe for Kids?
Whether a 3D pen is safe for a child depends on how hot it runs: the temperatures makers publish, an…
3D Pen Guides
How to Choose a 3D Pen: the Specs That Actually Matter
Every listing claims the same features. Here are the specs ranked by how much they change your drawing, five pens…
Materials Science
PLA vs ABS 3D pen: the honest comparison
PLA or ABS in a 3D pen? Published pen temperatures, strength and heat data and a study of 3D pen…
3D Pen Guides
How to Choose a 3D Pen: the Specs That Actually Matter
Every listing claims the same features. Here are the specs ranked by how much they change your drawing, five pens…
Materials Science
PLA vs ABS 3D pen: the honest comparison
PLA or ABS in a 3D pen? Published pen temperatures, strength and heat data and a study of 3D pen…