Printable 3D Object Model

I need a simple yet clean 3D object modeled specifically for 3D printing. The shape is straightforward (think small-scale gadget part rather than an organic character), so it should be an easy job for anyone comfortable with solid, watertight geometry.

Scope
• Model the object from my sketches and basic dimensions (I’ll send them once we start).
• Optimise wall thickness and clearances so it prints reliably on an FDM or resin printer.
• Deliver an STL ready to slice; an editable source file in your preferred package (Blender, AutoCAD, SolidWorks, Fusion 360—your call) is a plus but not mandatory.

Acceptance criteria
1. No non-manifold edges, holes, or reversed normals.
2. Scaled correctly to the dimensions provided (±0.1 mm tolerance).
3. One final STL and a screenshot of the model in layer view to show printability.

This is a small project, so lead time matters more than fancy renders—ideally you can turn it around within a day or two once I hand over the reference.