crank arm 3d model

3d printing 3d printing realistic crank arm machine machine 3d printing machine 3d printing realistic machine realistic mechanical realistic

Prompt

Create a precise, parametric 3D CAD model of a single-hole mechanical crank arm for FDM 3D printing. This is a functional engineering component, NOT an artistic model. UNITS: - All dimensions in millimeters (mm) DESIGN CONTEXT: - Component is designed to fit inside a robotic palm - Compact, flat, internal mechanism part GLOBAL SIZE CONSTRAINTS: - Maximum overall length: 90 mm - Maximum width: 10 mm - Thickness: 6 mm GEOMETRY: - Shape: Flat crank arm with one rounded end and one straight rectangular end - Rounded end: - Outer diameter: 12 mm - Fully circular profile - Straight body: - Rectangular cross-section - Width: 10 mm - Length (from center of hole to flat end): 78 mm - Flat end: - Square-cut end face - No hole HOLE: - Quantity: 1 - Type: Through-hole - Hole diameter: 5.3 mm - Hole depth: Full thickness (6 mm) - Hole location: - Centered exactly in the circular rounded end - Hole axis: - Perpendicular to the flat face of the part EDGES & FILLETS: - External

2K·v3.0-20250812

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