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LEGO Friends Scale Hero Arm Prosthetic — image 1
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LEGO Friends Scale Hero Arm Prosthetic

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A model prosthetic arm for the LEGO Friends Autumn minidoll, modelled after the Open Bionics Hero Arm

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Model information

License
Creative Commons — Attribution

This is a scale model based on the Open Bionics Hero Arm prosthetic, scaled to fit the Autumn LEGO Friends minidoll. Hand should be able to hold most handheld LEGO minifigure/doll accessories, but may be a little tight.

In the photos I have painted it slightly to further resemble the Hero Arm, and have created a socket from heatshrink. Print may be a little loose or tight on the minidoll, but fit can be adjusted via heat, sanding, or the addition of a socket between the minidoll and print. 

EDIT: I have added a second file that should fit without any changes or socket.

Printing Instructions:

Print on its side, with the hand perpendicular to the bed, like in the photograph, for maximum strength and to ensure the hand is able to hold LEGO elements. Print at the smallest layer height possible, for full detail.

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