<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Gray Tsao — Things written down</title><description>The parts of a project worth writing down: the traps, the reasons behind a choice, and the things that only made sense afterwards.</description><link>https://grayswork.com</link><language>en-US</language><item><title>Orthoshot: ten standard views of a part, in one drag and drop</title><link>https://grayswork.com/en/blog/orthoshot</link><guid isPermaLink="true">https://grayswork.com/en/blog/orthoshot</guid><description>When a quote needs part views, the person who needs them usually has no CAD licence. This is a browser tool that opens STEP, measures it, estimates its weight and exports ten standard views in one click — with nothing uploaded, because the geometry belongs to someone else.</description><pubDate>Thu, 27 Aug 2026 05:55:01 GMT</pubDate><category>Orthoshot</category><category>CAD</category><category>three.js</category><category>WebAssembly</category></item><item><title>Why lexical retrieval for Chinese cannot use tsvector</title><link>https://grayswork.com/en/blog/chinese-lexical-retrieval</link><guid isPermaLink="true">https://grayswork.com/en/blog/chinese-lexical-retrieval</guid><description>PostgreSQL full-text search cannot segment Chinese; the whole sentence becomes one token. So the lexical arm runs on character trigrams, fused with vector search by RRF — and then I measured it, and the win was smaller than I expected.</description><pubDate>Tue, 25 Aug 2026 02:02:52 GMT</pubDate><category>RAG</category><category>Retrieval</category><category>PostgreSQL</category><category>Enterprise RAG Assistant</category></item><item><title>Paper Anchor: an open-source paper reader that pins every answer to the page</title><link>https://grayswork.com/en/blog/introducing-paper-anchor</link><guid isPermaLink="true">https://grayswork.com/en/blog/introducing-paper-anchor</guid><description>A self-hosted two-pane reader for papers: every claim the LLM makes is a clickable citation that jumps back to the highlighted source on the PDF. MIT, bring your own key, embeddings can stay entirely local.</description><pubDate>Tue, 25 Aug 2026 02:02:51 GMT</pubDate><category>Paper Anchor</category><category>RAG</category><category>Open source</category></item></channel></rss>