whoop 4.0 tracker 3d model

**3D CAD Modeling Prompt** > Create a precise 3D CAD model of the Whoop 4.0 tracker module only (excluding the strap and band). The model must match the exact dimensions, visual features, and proportions of the original Whoop 4.0 hardware. * **Overall Form & Dimensions:** * **Length:** 38 mm * **Width:** 25 mm * **Thickness:** 10 mm * **Shape:** Rectangular puck with smooth, rounded corners, soft-curved edges, and a slightly contoured ergonomic top and bottom surface. * **Top & Side Profile:** * Matte textured finish across the top and side shell. * Side grooves/channels and slide-lock anchor mechanism for attaching the strap frame. * Precise cutouts/slots on the sides where the strap bracket and clasp secure to the module. * **Bottom Face (Sensor Housing & Charging Interface):** * **Optical Sensor Window:** Raised, smooth central optical glass bump housing the photodiode array and LED cutouts (green, red, and infrared LEDs). * **Pogo Pin Charging Contacts:** Small circular coppe