Gears and transmission
SmartScoop Smart Adjustable Measuring Spoon
- Bounding box
- 207.5 × 34 × 29.6 mm
- Engine
- 3D Printing B-rep
- Parameters
- 38
- Published
- October 28, 2026
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The prompt
# SmartScoop: Smart Adjustable Measuring Spoon - Specification Sheet ## 1. Core Specifications - **Measurement Range:** 1/4 tsp (1.23 mL) to 1 tbsp (14.79 mL) - **Total Dimensions:** 185 mm length x 32 mm handle width - **Weight:** ~115 g - **Power & Control:** 3.7V 500mAh LiPo battery, ESP32-S3 MCU, DRV8833 motor driver ## 2. Component Breakdown - **Front Assembly (Food-Contact, Detachable):** - Measuring Chamber: 316 Stainless Steel (stamped bowl) - Internal Platform: PEEK Polymer + O-Ring seal (translates to change volume) - Quick Release: Anodized aluminum bayonet lock (watertight seal for cleaning) - **Drive & Mechanical System:** - Actuator: Micro DC gearmotor with M3 lead screw & brass nut - Lock Mechanism: Mini push-pull solenoid (prevents slip during heavy scooping) - **Electronics & UI (Handle Enclosure):** - Recipe Scanner: 5MP CMOS macro camera at 15-degree upward angle - User Interface: 0.96-inch OLED display (shows ingredient, target volume, status) - Housing: Glass-filled polycarbonate (GF-PC) with removable bottom access panel ## 3. Sample Display Interface INGREDIENT: SUGAR MEASUREMENT: 1 TSP (4.93 mL) STATUS: [READY]
Parameters
| Name | Value | Range |
|---|---|---|
| Measuring chamber length | 45 mm | 30 – 80 |
| Measuring chamber width | 32 mm | 20 – 60 |
| Measuring chamber depth | 18 mm | 10 – 40 |
| Wall thickness | 1.5 mm | 1.2 – 3 |
| Internal platform thickness | 5 mm | 3 – 10 |
| Internal platform width | 25 mm | 15 – 35 |
| Internal platform height | 15 mm | 8 – 25 |
| O-ring cross-section | 2 mm | 1 – 4 |
| Bayonet ring thickness | 8 mm | 5 – 15 |
| Bayonet outer width | 34 mm | 26 – 50 |
| Bayonet inner width | 30 mm | 20 – 45 |
| Bayonet outer height | 22 mm | 14 – 40 |
| Bayonet inner height | 16 mm | 10 – 35 |
| Handle enclosure length | 132 mm | 100 – 180 |
| Handle width | 32 mm | 20 – 60 |
| Handle height | 22 mm | 12 – 40 |
| Access panel length | 80 mm | 40 – 120 |
| Access panel width | 24 mm | 16 – 32 |
| Access panel thickness | 2 mm | 1 – 4 |
| Gearmotor diameter | 12 mm | 6 – 20 |
| Gearmotor length | 24 mm | 15 – 40 |
| Lead screw length | 80 mm | 50 – 110 |
| Lead screw diameter | 3 mm | 2 – 6 |
| Brass nut carriage width/height | 10 mm | 6 – 16 |
| Brass nut carriage length along screw | 8 mm | 4 – 16 |
| Solenoid length | 10 mm | 6 – 20 |
| Solenoid width | 15 mm | 8 – 25 |
| Solenoid height | 20 mm | 10 – 35 |
| PCB length | 40 mm | 20 – 80 |
| PCB width | 25 mm | 15 – 40 |
| PCB thickness | 1.6 mm | 1 – 3 |
| Battery length | 35 mm | 20 – 60 |
| Battery width | 20 mm | 10 – 40 |
| Battery thickness | 5 mm | 2 – 10 |
| OLED length | 26 mm | 15 – 45 |
| OLED width | 14 mm | 8 – 25 |
| OLED height above handle | 2.5 mm | 1 – 5 |
| Camera size | 8 mm | 5 – 15 |
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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