![1,000 Lines/mm Linear Diffraction Grating Sheet [5 Feet x 6 Inch Roll]](https://m.media-amazon.com/images/I/21MPUwngrRL._AC_UF480,480_SR480,480_.jpg)
I bought this purely for my elementary science class so we could make rainbow chocolate. (We've been discussing light, so this seemed like a great last-day-of-science treat.) It worked really well! I just melted the flat side of the Dove chocolates on a frying pan and then pressed the chocolates down firmly onto the sheet. It shows up best on dark chocolate, but you can see it on other kinds as well. (Sunlight shows off the rainbows best.)
You can wash and reuse the film but you have to dry it (or you might get water residue that will mess up future chocolate rainbows). Also, be very careful not to crinkle it.
The sheet comes in a cardboard tube, which I thought was great until someone threw it away, thinking it was trash. Big sad. If you buy it, put a label on the tube so that doesn't happen to you!
The kids loved just looking through the sheet at each other and the windows, etc. Definitely a good investment!
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This item: Diffraction Grating sheet 13,500 lines/inch - Double Axis 5ft Long x 6 inches Wide
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$11.99
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+![13,500 Lines/inch Diffraction Grating Sheet - Double Axis [1' x 6"]](https://images-na.ssl-images-amazon.com/images/I/61q2TU+Q4DL._AC_UL116_SR116,116_.jpg)
$11.99
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Excellent value and perfect for 3d printer first layer "rainbow" effect
I ordered this specifically for utilizing it on my 3d printer bed in order to give the first layer of my 3d prints a "rainbow" effect. I appreciate that Amazon had it at such a great value.The package arrived at a moderate pace but was packaged safely in bubble wrap packaging and comes rolled up in 5 individual sheets.Each sheet is long enough to cover 75-80% of my Creality V3 bed. It would require two sheets to fully cover the bed in entirety. In order to determine which side needs to be facing up, you can run a fingernail across the grating, if you can feel a slight ripple, you have the correct side up. If it is completely smooth, it is the non-grated side. You can also determine it by the reflecting light, if you see rainbows, then you are looking at the correct side (up).I applied this to my 3d printer's bed by laying down an initial layer of Elmer's gluestick, then rolled this on top of the glue, then used Frog Tape (slightly better than normal blue painters masking tape) all around the edges. You will want to ensure that there are no bubbles under the diffraction grating otherwise they will appear in the first layer of the print.You can re-use this over and over for quite some time as long as you don't wreck the diffraction grating sheet when removing the print. PLA and PETG stick quite well to the diffraction grating. I do not use any elmers on TOP of the diffraction grating (only under it to hold the sheet down).I really liked the effect this leaves on my 3d prints (see photo). Overall I would recommend this to others looking to do the same.
Top reviews from the United States
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- Reviewed in the United States on May 26, 2022
I bought this purely for my elementary science class so we could make rainbow chocolate. (We've been discussing light, so this seemed like a great last-day-of-science treat.) It worked really well! I just melted the flat side of the Dove chocolates on a frying pan and then pressed the chocolates down firmly onto the sheet. It shows up best on dark chocolate, but you can see it on other kinds as well. (Sunlight shows off the rainbows best.)
You can wash and reuse the film but you have to dry it (or you might get water residue that will mess up future chocolate rainbows). Also, be very careful not to crinkle it.
The sheet comes in a cardboard tube, which I thought was great until someone threw it away, thinking it was trash. Big sad. If you buy it, put a label on the tube so that doesn't happen to you!
The kids loved just looking through the sheet at each other and the windows, etc. Definitely a good investment!
Images in this review
- Reviewed in the United States on June 2, 2022
- Reviewed in the United States on April 27, 2022
Excellent value and perfect for 3d printer first layer "rainbow" effectI ordered this specifically for utilizing it on my 3d printer bed in order to give the first layer of my 3d prints a "rainbow" effect. I appreciate that Amazon had it at such a great value.
Reviewed in the United States on April 27, 2022
The package arrived at a moderate pace but was packaged safely in bubble wrap packaging and comes rolled up in 5 individual sheets.
Each sheet is long enough to cover 75-80% of my Creality V3 bed. It would require two sheets to fully cover the bed in entirety. In order to determine which side needs to be facing up, you can run a fingernail across the grating, if you can feel a slight ripple, you have the correct side up. If it is completely smooth, it is the non-grated side. You can also determine it by the reflecting light, if you see rainbows, then you are looking at the correct side (up).
I applied this to my 3d printer's bed by laying down an initial layer of Elmer's gluestick, then rolled this on top of the glue, then used Frog Tape (slightly better than normal blue painters masking tape) all around the edges. You will want to ensure that there are no bubbles under the diffraction grating otherwise they will appear in the first layer of the print.
You can re-use this over and over for quite some time as long as you don't wreck the diffraction grating sheet when removing the print. PLA and PETG stick quite well to the diffraction grating. I do not use any elmers on TOP of the diffraction grating (only under it to hold the sheet down).
I really liked the effect this leaves on my 3d prints (see photo). Overall I would recommend this to others looking to do the same.
Images in this review
- Reviewed in the United States on March 12, 2023
- Reviewed in the United States on May 28, 2012
- Reviewed in the United States on March 7, 2015
See the photos I uploaded!
I used this on my windows.
This product creates amazing vivid rainbows across a room when mounted on a window and hit by direct sunlight.
One thing to watch out for is that this product gets easily smudged with fingerprints. The smudges noticeably affect the diffraction. To prevent further smudges, I wore latex gloves while applying them on my window.
Both sides diffract light the same so no worries as to which side you hold up to the light. This is slightly transparent; you won't be able to see clearly outside but you can make out shapes and objects pretty easily. From the outside in, you won't get much privacy, esp. at night. Day or night but more so in the daytime when it's sunny, the film reflects light away giving a opalescent effect to your windows.
This certainly added a pizzaz to our home and is a conversation starter. It automatically puts people in better moods.
Minus one star for how easily it smudges. I also wish they made this in bigger than 6" widths.
Images in this review
- Reviewed in the United States on October 21, 2020
Top reviews from other countries
- Naomi RossoReviewed in the United Kingdom on December 30, 2024
Great item, definitely worth buying again
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- Roxane ForguesReviewed in Canada on April 11, 2021
Shine Bright Like a Holo Sheet
It comes properly sealed and safe. I managed to cast part of the sheet with a silicone mold and the result is truly amazing! (See the dots photo for casted resin?Shine Bright Like a Holo SheetRoxane Forgues
Reviewed in Canada on April 11, 2021
Surface pretty fragile, must use gloves for better care because natural oils will scrap the tiny... thingy shape? I am still learning to use it in a craft situation, but it's the result is mesmerizing !
Images in this review
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