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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

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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Article

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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Article

A Meshmixer voronoi alternative, no install needed

Meshmixer is discontinued. How to get the voronoi effect free, in the browser, without uploading your file.

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Article

Your STL is too big to print: how to reduce it

Cut a million-triangle STL down to size without losing the shape, free and in the browser.

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Article

How much electricity does a 3D printer use?

How much power it draws and what each print costs, with the formula.

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