Base Scaffold System

@@ -49,18 +49,11 @@ On arrival at a workcell, the scaffold goes through a three-step handshake befor  ### Panels -Panels provide the scaffold's contact interface for mounting molecules. The contacts are **[Large Contacts](https://wiki.adom.inc/adom/machinecontactlarge)**, arranged in an **18 × 18 grid** at 32 mm spacing center-to-center across the 576 mm × 576 mm workspace (see [Design envelope](#design-envelope)). On the base scaffold, contacts serve a mechanical role only — the project's electrical connections are made by wires (see [Wiring](#wiring)).+Panels provide the scaffold's contact interface for mounting molecules. The contacts are **[Large Contacts](https://wiki.adom.inc/adom/machinecontactlarge)**, arranged in an **18 × 18 grid** at 32 mm spacing center-to-center across the 576 mm × 576 mm workspace (see [Design envelope](#design-envelope)). A molecule's machine pins press into the contacts, which are essentially retainer clips. On the base scaffold, contacts serve a mechanical role only — the project's electrical connections are made by wires (see [Wiring](#wiring)).  ### Alignment sheet -The alignment sheet uses a kinematic coupling plus fiducials to give precise, repeatable alignment from one workcell to the next, and provides rigid support for heavy projects.--🔶 **FILL-IN (James/Luke):**--- Kinematic coupling type (e.g. three-groove Maxwell, Kelvin) and achieved repeatability spec (±µm or ±mm).-- Fiducial type, count, and placement pattern; which sensors/cameras read them.-- Maximum supported project mass: **__ kg** (explicitly TBD in the brief).-- Sheet material, thickness, and flatness spec.+The alignment sheet uses a kinematic coupling plus fiducials to give precise, repeatable alignment from one workcell to the next, and provides rigid support for heavy projects — up to a maximum project mass of **20 kg**.  ### Factory mobility