Privacy policy / Updated November 1, 2026

What this site stores, and what its ads use.

No accountsThere are no sign-ups or user profiles.
On your deviceComparisons, reading progress and settings stay in your browser.
Ads use cookiesGoogle AdSense uses them. You can opt out below.
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Saved in your browser

Printer comparisons, read-guide progress and accessibility settings are kept in your browser’s local storage and are not sent to us. Calculators run on your device, and no model files are uploaded.

Erase your saved comparisons, reading progress and accessibility settings from this device at any time.

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Advertising and cookies

Pages with ads use Google AdSense. Its script loads after your first interaction with a page. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google’s advertising cookies let it and its partners serve ads based on those visits.

You can opt out of personalized advertising below. Read how Google uses data from partner sites.

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Your choices in supported regions

Where the law requires it, including the EEA, the UK, Switzerland and some US states, a Google privacy message lets you make or change your advertising choices. Blocking cookies in your browser also limits personalized ads.

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Hosting logs

The site runs on Cloudflare, which may keep operational logs such as IP addresses and requested pages under its own privacy policy. The jobs page loads listings through our server from public job boards; your searches and filters stay in your browser.

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Children

3Dprintsy is a general-audience reference and is not directed at children under 13.

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Changes

When this policy changes, the date at the top of this page changes with it.