This precision 1-2-3 machinist block is a professionally designed CAD model intended for machining, inspection, and fixturing applications. Modeled to industry-standard 1″ × 2″ × 3″ dimensions, it is ideal for use as a setup block, spacer, parallel, or reference surface in machine shops, fabrication environments, and educational settings.

The design features accurately positioned through-holes and threaded holes to support clamping, alignment, and repeatable setups. Clean geometry and tight tolerances make this model well-suited for CNC machining, manual milling, grinding, or quality control demonstrations. Perfect for machinists, engineers, toolmakers, and students looking for a reliable reference block or a practice machining project.

Delivered as a high-quality 3D CAD file, this model is ready for manufacturing, simulation, or inclusion in tool libraries and fixtures.

Key Features:

Standard 1″ × 2″ × 3″ machinist block dimensions

Precision hole layout for clamping and fixturing

Clean, professional CAD geometry

Suitable for CNC, manual machining, or training use

Ideal for shop setups, inspection, and alignment tasks