Anodized Metal Triangle with Slot

I need a precision-machined, anodized metal triangle. The triangle should have the following specifications:

- Thickness: 1/4”
- Side Length: 1.5” with rounded corners
- One Side: 1/4” slot, 1 1/4” long, 1/4” from edge
- Additional Triangle: 3/4 sides rounded corners, attached with two screws, designed to fit onto the first triangle
- Finish: Black anodized

Ideal skills and experience:
- Metal fabrication expertise
- Precision machining
- Anodizing experience
- Attention to detail

Please provide samples of previous work.