Enclosures and housings
M5StickS3 Speaker Acoustic Reflector Cap
- Bounding box
- 15.0 × 10.0 × 3.0 mm
- Engine
- Precision B-rep
- Parameters
- 12
- Published
- September 20, 2026
Download
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The prompt
Redesign this completely. The previous design is too large and looks like a T-shaped megaphone. Do NOT make a horn or long tube. I need an ultra-low-profile passive acoustic reflector for the M5StickS3 built-in speaker. M5StickS3 is 48×24×15 mm. The speaker has 3 small sound openings. Make a tiny rounded acoustic cap that sits directly over ONLY these 3 openings. The part should redirect sound outward using a very short curved internal reflector, NOT a long channel. Target size: about 15×10×3 mm. Maximum protrusion: 3 mm. It must be pocket-friendly and should not snag on clothing. Use completely rounded outer edges and smooth curved acoustic surfaces. No sharp corners. No T shape. No long tube. No large funnel. No narrow trumpet-like exit. The three speaker holes must remain acoustically connected to one short enlarged output opening. Think of it as a tiny aerodynamic scoop / acoustic reflector rather than a megaphone. Add a very thin flat perimeter flange for silicone adhesive. FDM printable, single solid piece, PLA/PETG. Generate STL only.
Parameters
| Name | Value | Range |
|---|---|---|
| Overall Length (X) | 15 mm | 10 – 25 |
| Overall Width (Y) | 10 mm | 8 – 20 |
| Overall Thickness / Protrusion (Z) | 3 mm | 2 – 6 |
| Adhesive Flange Thickness | 0.8 mm | 0.4 – 1.5 |
| Wall / Roof Thickness | 0.9 mm | 0.5 – 2 |
| Reflector Chamber Width | 5.4 mm | 3 – 6.4 |
| Enlarged Output Width | 6.4 mm | 3 – 7 |
| Output Mouth Length | 2.5 mm | 1 – 5 |
| Speaker Port Diameter (x3) | 1.5 mm | 0.8 – 3 |
| Speaker Port Spacing | 1.6 mm | 1 – 4 |
| Speaker Port Row X Position | -4 mm | -6 – 0 |
| Outer Edge Round | 0.25 mm | 0.1 – 0.4 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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