Brackets and mounts
Smart RFID Shopping Cart Assembly
- Bounding box
- 4470.0 × 900.0 × 1126.5 mm
- Engine
- Precision B-rep
- Parameters
- 29
- Published
- November 2, 2026
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The prompt
Design a smart RFID-enabled shopping cart for supermarket self-checkout applications. [Overall Structure] - Standard four-wheel supermarket trolley, base footprint approx. 600mm (W) × 900mm (D) × 950mm (H) handle height - Steel tube frame (Ø25mm, wall thickness 1.5mm), chrome-plated finish - Front folding child seat, rear mesh basket - Four swivel casters (Ø125mm) with two rear brakes [RFID System Integration] - Built-in UHF RFID reader module mounted inside a sealed electronics enclosure on the lower frame crossbar - Enclosure: 200mm × 150mm × 60mm, IP54 rated, ABS material - Position: centered, 300mm above ground, with ventilation slots - 4× UHF RFID antennas distributed inside the basket walls (left, right, front, back panels) - Antenna mounting: concealed behind perforated inner liner panels - Antenna cables routed through hollow frame tubes to the central reader - Indicator LED strip (RGB, 100mm length) on the handle grip for read/alert status [Handle & User Interface] - Ergonomic handle with integrated tablet mount at top center - Mount supports 10.1" tablet (250mm × 170mm), tilt -10° to +45°, with quick-release clamp - Cable pass-through channel inside handle tube for tablet power/data - Trigger button on right handle grip (scanner start/stop) - Small OLED display (128×64) on left handle grip showing item count and total [Power] - Removable lithium battery pack (18650 cells, 12V 6000mAh) housed in a dedicated compartment on the rear frame - Battery cover with key lock, charging port (DC jack) on side - Cable management: all wires run through the frame interior, no exposed cabling [Materials & Finishes] - Frame: Q235 steel tube, chrome plated - Basket: steel wire mesh, 50mm grid, chrome plated - Electronics enclosure: ABS+PC, matte black - Handle grip: soft TPR overmold - Tablet mount: aluminum alloy, anodized [Output] - Parametric 3D model with separate parts: frame, basket, RFID enclosure, antennas, handle assembly, battery pack, casters - Include exploded view and assembly constraints - Export as STEP file
Parameters
| Name | Value | Range |
|---|---|---|
| Frame Width | 600 mm | 500 – 800 |
| Frame Depth | 900 mm | 700 – 1200 |
| Frame Height | 950 mm | 800 – 1100 |
| Tube OD | 25 mm | 20 – 40 |
| Tube Wall | 1.5 mm | 1 – 4 |
| Basket Width | 560 mm | 400 – 750 |
| Basket Depth | 860 mm | 600 – 1100 |
| Basket Height | 350 mm | 200 – 500 |
| Liner Panel Thickness | 2 mm | 1 – 5 |
| Child Seat Width | 400 mm | 300 – 500 |
| Child Seat Depth | 280 mm | 200 – 350 |
| Child Seat Shell Thickness | 8 mm | 4 – 15 |
| Caster Wheel Diameter | 125 mm | 80 – 200 |
| Caster Tread Width | 32 mm | 20 – 50 |
| Swivel Housing Height | 40 mm | 20 – 60 |
| Enclosure Length | 200 mm | 150 – 300 |
| Enclosure Width | 150 mm | 100 – 220 |
| Enclosure Height | 60 mm | 40 – 100 |
| Antenna Length | 240 mm | 150 – 350 |
| Antenna Width | 180 mm | 100 – 280 |
| Antenna Thickness | 4 mm | 2 – 10 |
| Handle Span | 560 mm | 400 – 700 |
| Grip Diameter | 35 mm | 25 – 50 |
| Tablet Mount Width | 270 mm | 200 – 350 |
| Tablet Mount Height | 190 mm | 150 – 260 |
| Battery Pack Length | 160 mm | 120 – 220 |
| Battery Pack Width | 90 mm | 60 – 130 |
| Battery Pack Height | 55 mm | 35 – 80 |
| Layout Gap Between Parts | 150 mm | 50 – 400 |
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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