Conceptual Hot-Wire Foam Cutter

Create a conceptual 3D mechanical model of a compact desktop hot-wire foam cutting machine. Main dimensions: - Horizontal work table: approximately 200 mm × 300 mm. - Useful cutting width: approximately 220 mm. - Vertical column: approximately 300 mm high. - The hot cutting wire is Nichrome wire. - Effective wire length: approximately 250 mm. Mechanical mechanism: - At the top of the vertical column, install a pivot hinge. - The upper cutting arm is a V-shaped / open-7-shaped lever. - One arm of the lever is approximately 20 mm long. - The other arm is approximately 250 mm long. - The pivot is located at the intersection of the two arms. - The long arm extends horizontally over the work area. - At the tip of the long arm, provide a terminal/clamp for one end of the Nichrome wire. - The other end of the Nichrome wire is attached to a hook connected to a tension spring. - The tension spring connects from the hook on the lever to the lower part of the vertical column. - The purpose of the spring is to maintain tension in the Nichrome wire as the wire heats, expands and changes length. - The upper cutting arm must be able to rotate slightly around the hinge. - The spring should pull the lever downward and maintain tension on the cutting wire. Show the complete machine as a conceptual mechanical assembly, including: 1. Vertical column 2. Horizontal work table 3. Upper V-shaped lever 4. Pivot hinge 5. Nichrome cutting wire 6. Wire terminal/clamp 7. Hook 8. Tension spring Focus on the mechanical geometry and side-view mechanism. Do not add electrical components yet. The model is a conceptual design and dimensions can be refined later.

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