Contest

    The Idea Guy

  • massage

  • creeping

  • to caress

  • health and wellness

  • Wellness

  • massage

This is the first prototype; if it performs well, I’ll continue developing it.

The “kraul fingers” may need to be warmed up and gently bent.

 

The Kraul Machine – Relaxation Through Rotating Massage

Experience pure relaxation with our homemade Kraul Machine! Its gentle rotating motion simulates the sensation of a soothing hand massage—thanks to its flexible feet, the device conforms perfectly to your body—making it ideal for relieving tense muscles, calming the nervous system, and providing an all-around rejuvenating massage experience. Perfect for the back or shoulders—simply lie down and enjoy.

 

 

 

The M5 thread on the planetary gear needs to be re-cut.

If necessary, the massage fingers can be warmed with a hair dryer and gently bent.

 

A 9V block battery is required.

Amazon Basics Alkaline Batteries, 9 V, 9 V/6LR61

a DC geared motor with 20 RPM or 40 RPM.

DC 12V Reversible High-Torque Turbo Worm Gear DC Motor with Speed Reduction (40 RPM)

On/off switch

5-piece switch set: 12V toggle switch, 230V rocker switch, 12V push-button switch, 12-volt pressure switch

Battery clip

HeyNana 5X Battery Clip, 9-Volt Block Battery, Akku I-Type Clip Snap with 15cm Connection Cable for 9V Blocks

 

1 m of 2-pin cable

4 pieces of 3x10 universal screws (control panel)

4 pieces of M3x8 mm screws (geared motor)

1 piece of M5x10 mm screw (planetary gear)

8 pieces of M4x20 mm screws (feet)

8 pieces of M4 nuts (feet)

Soldering tool

as well as any rope for hanging the Kraul Machine.

Originality of the Model

The author declares that this work is their personally original model

This model is licensed under the following terms:

Standard Digital File License

This work is licensed under a Standard Digital File License. Digital files have a strict non-commercial, personal use only license.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.

Models(1)

  • model file image
    Kraulmaschine E.3mfDesigner

    1.10 MB

    2026-04-01

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