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Once the drive was mapped, Mira opened the Lighting.dwg and felt a small surge of relief. The file contained standardized blocks: fixtures named with prefixes indicating their lighting type, layers like A-LGT and A-ANNO, and attributes for manufacturer, wattage, and catalog number. More importantly, the block definitions included annotative scaling and dynamic grips — features that would have been tedious to recreate from scratch. autocad block host file