Technical Documentation Template — Blueprint

Blueline Works is a four-page documentation template for hardware products, dev boards, and embedded modules that need docs as exacting as the silicon. It's built as a cyanotype drafting-sheet system: every page opens with a bordered title-block strip over a drafting-grid header, section headings carry monospaced sheet numbers, and the content is assembled from hairline spec tables, dimension-line rules, pinout plates, and left-bordered hazard callouts. Depth comes from 1px borders, never shadow — the whole thing reads like a controlled engineering document.

The four pages map the reference an integrator actually consults. Overview orients the reader and links the sheet set. Datasheet carries the electrical and mechanical spec tables that engineers scan first. Pinouts renders connector and header assignments as labelled plates rather than prose. Revision History logs changes in a dated ledger, the credibility marker that tells a buyer the part is maintained.

This template suits hardware vendors and open-source hardware projects who want documentation that signals precision and traceability, not a generic help site. The drafting-sheet vocabulary makes dense technical content feel authoritative and easy to cite. Restyle it with any Dual7 design system, load your own specs, pinouts, and revision log, and remix it into a codebase you own.