Braille Sheet - 4.5MM

Tool for writing/reading Braille with large 4.5mm diameter dots.
 

https://youtube.com/shorts/FGBh-y-hEB8

https://youtu.be/Z9aghYXRcNk
 

Customization
 

Merged

Print pre-built sheets in common sizes.

Unmerged

Layout custom sized sheets within your slicer.

Linkable

Assemble custom sized sheets after printing.

Printing

• All parts can be printed without supports
• Cases are printed upside down (walls facing up) so there is no bridging
• 92A durometer or softer TPU is recommended for all flexible parts
• Print buttons in PLA or other rigid material
• 2 perimeter walls is sufficient for all flexible parts, but additional perimeters may provide better results if the buttons feel too loose

Assembly

• Press fit buttons into the case.
• If assembling a linkable Braille sheet, secure rows together by inserting a link lock into the H-shaped holes that straddle each row. Press the link in so it sits 2mm below the Braille sheet's surface.

Reading Orientation

To help with identifying reading orientation, a small vertical groove is carved into the side wall of every row.

Filament

You can get drastically different results depending on what filaments you use for the flexible parts of this design. This video by Filament Stories includes some recommended options.

https://www.youtube.com/shorts/OflMXw4e_Sk
 

https://youtu.be/8oy3ABtAt2E

Can I sell copies of this?

Yes! This project was shared under the Creative Commons - Public Domain license.

This license grants you permission to download, distribute, alter, print, and sell copies of this design.

This license applies only to the model files (STL, 3MF, STEP, F3D) included in this project. It does not apply to photos, videos, my logo, or other supplemental graphics attached to or displayed with this project.

Attribution Text

This license does not require attribution. But if you choose attribute my work, feel free to use the following text.

"Braille Sheet" (https://3dprinty.xyz/project/145) is designed by 3D Printy (https://3dprinty.xyz) and shared under a Creative Commons Public Domain (CC 0 1.0) license (https://creativecommons.org/publicdomain/zero/1.0/).

Expand original cells into a larger sheet.