Micro Knex Servo Cradle
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Description
This model consists of parts for a servo cradle designed for use with Micro K’NEX. It is suitable for applications such as robot arms and walking robots.
The model includes:
A servo cradle compatible with 9 g micro servos
A servo hub compatible with 9 g micro servos
A servo pin held in place by the servo
It has been tested with both:
Standard RC PWM servos (e.g. FT90M)
Feetech RC serial bus servos (SCS), specifically the SCS009
Printing & Materials
Tested filaments:
PLA
PLA+
PETG
Planned future testing:
ASA
ABS
Recommended print settings:
Nozzle size: 0.4 mm
Layer height: 0.1 mm – 0.2 mm
Infill: 100% (recommended for maximum strength)
Design Notes
The servo hub includes a 45-degree sacrificial tab that allows the K’NEX prongs to be printed at a 45 degree angle for improved strength without requiring supports.
After printing, this tab must be snapped off before use.
The servo pin is a simple press-fit component and may require light sanding depending on printer tolerances.
Printers Used
This model was developed and tested on:
Prusa MK3S+
Prusa Core One Plus