Character
San-ichi Tan
三・一たん
San-ichi Tan, also known as 3.1-tan, is a moe anthropomorphism of the Windows 3.1 operating system in the OS-tan meme series. Portrayed with a retro look, she often wears clothing reminiscent of early 90s fashion and is depicted as reliable but somewhat outdated compared to her successors. Her role in the series is to embody both the strengths and limitations of Windows 3.1, often serving as a supportive, nostalgic figure to other OS-tans while referencing her legacy in computer history.
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New San-ichi Tan releases
The latest San-ichi Tan figures added to the database, with release dates and pre-order status.
Release calendar
Upcoming San-ichi Tan releases
Every San-ichi Tan figure by release month. Pick a month to see exact ship dates and open pre-orders.
Info
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Good to know
San-ichi Tan figures: quick answers
MyFigureList tracks 1 San-ichi Tan figures with live prices from 10 shops: trending picks, new releases, today's deals and the full price history of every figure.
What is the most popular San-ichi Tan figure right now?
OS-tan - 3.1-tan - 1/8 is the most popular San-ichi Tan figure of all time on MyFigureList, ranked by total collector likes, wishlists and views.
How much does a San-ichi Tan figure cost?
MyFigureList tracks 1 San-ichi Tan figures with live prices from 10 shops. Open any figure to see its full price history, the current cheapest shop and how today's price compares to the market.
Where can I buy San-ichi Tan figures at the best price?
MyFigureList compares live San-ichi Tan prices across 10 shops and refreshes deals every 10 minutes, so the best current offer is always one click away.
When do new San-ichi Tan figures release?
New San-ichi Tan figures are announced and released all year round. The newest entries appear on this page as soon as they hit the database, including items still open for pre-order.
What are the best San-ichi Tan figures in 2026?
The recent San-ichi Tan figures collectors are rating highest are OS-tan - 3.1-tan - 1/8, ranked by the likes, wishlists and views on this year's releases. New figures and pre-orders join every month; the Top 100 keeps the full all-time ranking.

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