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Learn 3D printing

Concepts and common problems explained clearly, with cited sources. To understand what you're buying and why things fail.

Article

Multicolor 3D printing without an AMS

Keychains, signs and QR codes in several colours on a single-filament printer: the per-layer pause, slicer by slicer.

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Article

How to glue 3D printed parts: which glue to use

Super glue, epoxy or acetone: what works with PLA, PETG, ABS, TPU and nylon, and how to prep the joint.

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What is a hotend on a 3D printer? Parts, types and failures

What each part does, PTFE vs all-metal, nozzles, volumetric flow and the usual clogs, with catalogue data.

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Article

Can your printer handle PETG, ABS or nylon?

What each filament demands (nozzle, bed, enclosure) and how to check your model free, in seconds.

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How to compare 3D printers: the specs that matter

Real volume, temps, enclosed or open, flow and noise: what matters, what's marketing, and how to see it side by side.

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Article

Convert 3D files online without uploading them anywhere

Convert STL, OBJ, 3MF and PLY (and export to STEP) free, in the browser, without uploading your file to any server.

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Article

How to make a 3D lithophane from a photo

From photo to printable STL in your browser: the settings that matter, how to print it and how to light it.

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Article

How to make a 3D printed name keychain (free, in 5 minutes)

Type the name, pick a font and download the STL: the perfect printable gift, nothing to install, no download limits.

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How to cut an STL that's too big for your printer

Split big models into pieces that truly fit your bed, with alignment dowel holes for straight glue-ups.

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