Brackets and mounts
RIFA Competition Robot Assembly
- Bounding box
- 260.0 × 395.0 × 270.0 mm
- Engine
- Precision B-rep
- Parameters
- 72
- Published
- September 30, 2026
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The prompt
Design a complete 3D CAD model of a compact autonomous robotics competition robot for RIFA. Maximum size: 300×300×300 mm. Target size: 280×280×270 mm for inspection clearance. The robot must collect small white spherical balls and cone-shaped objects from a flat field, store multiple balls, and later score them by either shooting them into a goal or transporting them to the goal. Use a maximum of 6 motors: 1. Left drive 2. Right drive 3. Ball intake roller 4. Ball conveyor/elevator 5. Ball shooter 6. Cone mechanism Use a compact 4-wheel differential drivetrain with two drive motors and 60–75 mm wheels. At the front, create a wide funnel-shaped ball intake with a powered rubber roller that pulls balls into the robot. Feed the balls into a compact vertical conveyor and then into an internal magazine capable of storing approximately 8–12 balls. Add a controlled ball gate that feeds balls individually into a compact single-wheel flywheel shooter. Include an adjustable shooter hood/angle if possible. Also allow the magazine to feed balls directly toward a goal without shooting. Create a separate compact cone collection system using passive guiding walls where possible. Use the sixth motor only if an active cone mechanism is necessary. Keep the battery and heavy components low and near the center. Include mounting locations for motors, bearings, battery, electronics, camera, IMU, distance sensors, and motor controllers. Make the chassis modular and suitable for 3D printing, laser-cut plates, aluminum brackets, standard screws, shafts, and bearings. Include removable intake, conveyor, shooter, battery, and electronics modules. Use realistic mechanical geometry: shafts, bearings, mounting holes, rollers, belts, brackets, walls, clearances, and fasteners. Avoid decorative parts. Make all ball and cone dimensions configurable so the geometry can later be adjusted to the official RIFA object dimensions. The complete assembly must remain inside 300×300×300 mm and preferably inside 280×280×270 mm. Generate an actual editable CAD assembly with separate components, not merely a rendered concept. Prioritize reliable autonomous collection, simple mechanisms, low center of gravity, compactness, manufacturability, and easy maintenance.
Parameters
| Name | Value | Range |
|---|---|---|
| Ball Diameter | 60 mm | 40 – 80 |
| Cone Diameter | 70 mm | 40 – 100 |
| Cone Height | 90 mm | 60 – 150 |
| Chassis Width X | 240 mm | 200 – 280 |
| Chassis Depth Y | 240 mm | 200 – 280 |
| Chassis Height | 40 mm | 30 – 60 |
| Plate Thickness | 3 mm | 2 – 6 |
| Battery Bay Width | 120 mm | 80 – 160 |
| Battery Bay Depth | 100 mm | 60 – 140 |
| Battery Bay Depth Z | 20 mm | 10 – 30 |
| Wheel Diameter | 65 mm | 50 – 80 |
| Wheel Width | 20 mm | 10 – 30 |
| Wheel X Offset | 130 mm | 110 – 150 |
| Wheel Y Offset | 90 mm | 60 – 120 |
| Wheel Center Z | 32.5 mm | 25 – 45 |
| Intake Width | 240 mm | 180 – 280 |
| Intake Depth | 120 mm | 80 – 160 |
| Intake Height | 100 mm | 60 – 140 |
| Intake Roller Diameter | 50 mm | 30 – 70 |
| Intake Roller Width | 200 mm | 150 – 260 |
| Roller Center Z | 25 mm | 15 – 40 |
| Conveyor Width | 90 mm | 60 – 120 |
| Conveyor Depth | 80 mm | 50 – 110 |
| Conveyor Height | 160 mm | 120 – 200 |
| Conveyor X | 0 mm | -60 – 60 |
| Conveyor Y | -30 mm | -80 – 20 |
| Conveyor Z | 150 mm | 100 – 200 |
| Magazine Width | 120 mm | 80 – 160 |
| Magazine Depth | 90 mm | 60 – 120 |
| Magazine Height | 140 mm | 100 – 180 |
| Magazine X | 0 mm | -60 – 60 |
| Magazine Y | 30 mm | -20 – 80 |
| Magazine Z | 200 mm | 150 – 240 |
| Gate Opening Width | 40 mm | 30 – 60 |
| Gate Opening Height | 30 mm | 20 – 50 |
| Gate Thickness | 20 mm | 10 – 30 |
| Gate X | 0 mm | -40 – 40 |
| Gate Y | 80 mm | 50 – 110 |
| Gate Z | 120 mm | 90 – 150 |
| Shooter Width | 100 mm | 70 – 130 |
| Shooter Depth | 90 mm | 60 – 120 |
| Shooter Height | 80 mm | 50 – 110 |
| Shooter X | 0 mm | -60 – 60 |
| Shooter Y | 90 mm | 50 – 130 |
| Shooter Z | 160 mm | 120 – 200 |
| Flywheel Diameter | 50 mm | 30 – 70 |
| Flywheel Width | 20 mm | 10 – 30 |
| Hood Width | 90 mm | 60 – 120 |
| Hood Depth | 70 mm | 40 – 100 |
| Hood Height | 50 mm | 30 – 80 |
| Hood X | 0 mm | -60 – 60 |
| Hood Y | 90 mm | 50 – 130 |
| Hood Z | 220 mm | 180 – 250 |
| Hood Ball Clearance | 60 mm | 40 – 80 |
| Cone Module Width | 60 mm | 40 – 90 |
| Cone Module Depth | 120 mm | 80 – 160 |
| Cone Module Height | 60 mm | 40 – 90 |
| Cone Module X | 100 mm | 60 – 130 |
| Cone Module Y | -80 mm | -120 – -40 |
| Cone Module Z | 30 mm | 0 – 60 |
| Tray Width | 160 mm | 120 – 200 |
| Tray Depth | 120 mm | 80 – 160 |
| Tray Height | 35 mm | 20 – 50 |
| Tray X | 0 mm | -60 – 60 |
| Tray Y | 0 mm | -60 – 60 |
| Tray Z | 47.5 mm | 35 – 60 |
| Camera Mount Width | 60 mm | 40 – 80 |
| Camera Mount Depth | 40 mm | 20 – 60 |
| Camera Mount Height | 30 mm | 20 – 50 |
| Camera X | 0 mm | -60 – 60 |
| Camera Y | -100 mm | -130 – -70 |
| Camera Z | 80 mm | 60 – 110 |
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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