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Braille printing

BrailleRap-SP

One obvious role for people interested in niche publishinng is to coperate in another nich activity, i.e.Braille

There is at least one community project to create home printers that may enable a loose collaboration for distributed braille document production.

Braille printer BrailleRap-SP

In 2017 Carlos Campos starts the OpenBraille project and builds a braille embosser from recycled printer parts.

The project demonstrates that it is possible to move a sheet of paper with enough precision in a braille embosser.

BrailleRap

Samsung touchable ink

Samsung touchable ink is a revolutionary technology that allows users to interact with digital content in a more tactile and immersive way. Unlike traditional touchscreens, touchable ink technology allows users to feel the texture and depth of digital images and text, as if they were physically printed on paper.

This technology works by using a combination of conductive and non-conductive polymers to create a flexible and responsive surface. When a user touches the screen, the conductive polymers beneath the surface detect the movement and translate it into digital signals that interact with the device's software.

Samsung touchable ink has a wide range of potential applications, including in education, entertainment, and marketing. For example, touchable ink could be used to create interactive textbooks or gaming, or to enhance the user experience of online shopping.

Overall, Samsung touchable ink represents an exciting advancement in the field of touch screen technology, and it will be interesting to see how it is further developed and applied in the years to come.

The "Touchable Ink" development project was a joint effort of Samsung, Thailand Association of the Blind and a chemistry professor at Thammasat University.

http://theinspirationroom.com/daily/2016/samsung-touchable-ink/

Embossing generaly not braille specific/suitable

Embossing powder is also called "convex powder". The body is powdery, acid-free and non-toxic. It is often used in paper art and needs to be used with a sticky pen or sticky ink pad and a heat gun.

Instructions for use:

One common substitute for embossing ink is using a clear or colored pigment ink. This type of ink has a sticky consistency that allows embossing powder to adhere to it.

Make sure to give the ink enough time to dry before applying the powder and heat setting it with an embossing tool.

Another option is to use a watermark stamp. This pad is designed to create a subtle watermark effect, but it can also be used for embossing by stamping the image onto paper, adding embossing powder, and heating it with a tool.

Some crafters have also had success using a clear glue pen or marker to apply glue where embossing powder will be added and heating it to create an embossed effect.

While these substitutes may not give the exact same results as embossing ink, they can be a great alternative if you don't have embossing ink on hand or if you want to experiment with different techniques.

Embossing powders

Different types of plastics have different melting points.

Polystyrene   100°C
Polyethylene  115-135°C. 
Polypropylene 130-171°C. 
PVC           212°C. 
PET           260°C.