Mini 4WD 3-Motor Break-In Holder with Dual Cooling Fans

Optimize your Mini 4WD motor break-in process with this compact and efficient 3-in-1 Break-In Holder. Designed to hold and run up to three motors simultaneously, this station helps save time while maintaining consistent cooling during long break-in sessions.

The integrated rear fan mount supports two 4010 cooling fans, directing airflow toward the motors to reduce heat buildup and improve break-in consistency.

Perfect for racers, tuners, and Mini 4WD enthusiasts who regularly prepare multiple motors for competition.

Features

✅ Holds up to 3 Mini 4WD motors simultaneously

✅ Supports 2x 4010 cooling fans

✅ Compact and stable desktop design

✅ Easy wiring using copper terminals

✅ Ideal for motor break-in, testing, and maintenance

✅ Optimized airflow for improved cooling performance

✅ Easy to print and assemble

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Required Hardware

The following components are required for assembly:

• 1x Copper wire / copper rod 2mm diameter (used as motor terminals)
• 2x 4010 Cooling Fans
• 3x M3x3 Heat Set Insert Nuts
• 3x M3x8 Screws

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Recommended Print Settings

• Layer Height: 0.20 mm
• Wall Count: 3–4
• Infill: 20–30%
• Material: PLA, PETG, ABS, or ASA
• Supports: Not Required
• Brim: Optional

Notes

This model includes only the printable parts.

Motors, fans, screws, insert nuts, wiring, and other electronic components are not included.

Designed for standard Tamiya Mini 4WD motors.