You can create a custom, 3D-printable capacitive stylus that can be used by individuals with limited hand control to interact with a smartphone or tablet.  You'll need to install a free copy of OpenSCAD.

Instructions at: https://wp.me/P9evBA-25

The design has changed over time, but the concept is the same as can be found in these videos:

Sixth Finger Stylus in action: https://youtu.be/VS6mXUymQxY

Sixth Toe Stylus in action: https://youtu.be/bwhu8x1tbls

A very long stylus made of conductive filament: https://youtu.be/eufXls_amkU

Here are a couple of videos showing the use of the 6th finger/toe stylus by Jason: https://youtu.be/E6fomx2is_c

The "solid finger stylus.scad" program can be used to take the stylus parts you designed and assemble them into a single solid stylus that doesn't need to be glued together. More information on that process here: https://volksswitch.org/index.php/creating-a-solid-finger-stylus/

Note that you can't create a solid stylus using the Thingiverse Customizer, you must use the OpenSCAD software running on your own computer.

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