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Drop + Matt3o /dev/tty MT3 Custom Keycap Set R3
$69



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Drop + Matt3o /dev/tty MT3 Custom Keycap Set R3
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$69
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Review Highlights:
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I am in love.
I am using this set on MX Clears, and it feels like the perfect combination of profile and weight to me. Coming from a DSA set, this is a huge step up in terms of accuracy and typing speed after only 24 hours, I am finding I am hitting the center of the keys without trying because the scoop guides you to the right place. I am also loving the scooped F and J over the 'nipple' version, very easy to locate.
From an appearance point of view, these are a very attractive but understated set; the legends are clear and crisp, and there are zero alignment issues, so it would appear all the issues from R1 are fixed. The font is nice and bold, easy to read, and makes it stand out from the Gorton Modified I have gotten used to on other sets. I love the muted colorway, but wish I had purchased some of the brighter keys; I really wish the RGB or CMKY modifiers had an ISO enter.
The caps are very thick, with zero burrs or defects, and although they are snug on the stems I had no issues. I had to remove a few keys because I forgot to use my ISO kit, and had no problems getting them off with a bit of a wiggle, and that was on clear switches that had never been used. There is a very slight texture to them which is pleasant to the touch.
Overall these are an incredible set, and I can't wait to see it in other colorways!
https://massdrop-s3.imgix.net/img_comment/POIOlgBdR6O7iE6VQjnX_00000PORTRAIT00000BURST20180917165351031.jpg
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This is easily the nicest set I own right now. Being made out of very thick PBT, these caps look, feel and sound extremely solid.
https://massdrop-s3.imgix.net/img_comment/ETdKdk2OQpDyRBSMkszP_titty.jpg
The legends are nice and crisp, though upon closer inspection you can still notice they're not perfectly aligned. I'd expect MD to get this fixed after the R1 fiasco, but I'm personally not that bothered, you can't really see it from typing distance and it's something that I learned to accept with dye-sub legends.
Regarding the profile, MT3 is not very easy to use from the get-go, the keycaps are very cuppy and punish inaccurate typing with their "sharp" edges. Conversely, they also reward accurate typing, so once you get used to them (about 2 days for me) they become extremely comfortable. The sculpt is perfect, not too aggressive and the flat bottom row makes it easy to use with your thumbs.
The texture of the keycaps is very pleasant as well, it is somewhat coarse and grippy (but not to the point of being obnoxious), which works well with the deep top.
The only issue I have is that my order has been shipped late despite multiple drop delays with poor communication on MD's side.
Q&A Highlights:
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What does it mean that these are dye-sublimted PBT?
The two most popular kinds of plastic are currently used for keyboards are:
ABS (acrylonitrile butadiene styrene) - the most common keycap plastic used, tends to feel smooth, is durable, a tad cheaper and easier to manufacture than PBT
PBT (polybutylene terephthalate) - tends to have a “matte” texture, a bit stiffer than ABS, a bit more durable than ABS, and doesn’t develop a “glossy” look with use over time like ABS, harder and more expensive to manufacture than ABS
Sublimated dying infuses the ink with the plastic through a manufacturing process Elder Sage perfectly describes:
https://drop.com/talk/27150/what-does-it-mean-that-these-are-dye-sublimted-pbt/2582700
The ink sinks into the keycap just a bit so the font doesn't wear out even if the keycap gets worn down.
Hence “Dye-Subbed PBT”.
What does it mean that these are dye-sublimted PBT?
Sublimation is the process of turning a substance from a solid directly to a gasious state without passing through a liquid phase. During dye sublimation, the solid dye is exposed to high heat and turned into a gas. In the gas state it is able to permeate the crystaline structure of the PBT keycap. The end result is a legend that goes below the surface of the plastic thereby making it very durable.
Customer Reviews
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Shabulyan
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Jan 17, 2026
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Feel Great. Look Great.
I like the profile alot and the texture is superb. the colors look much better in person too.
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Recommends this product? Yes
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lxix.corp
201
Dec 20, 2025
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Stunning set
Absolute banger of a set - retro vibes!
Recommends this product? Yes
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2362
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Dec 5, 2025
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Nice keycaps
Nice keycaps
Recommends this product? Yes
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rockydbull
571
Nov 21, 2025
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Best Pbt Mt3 Set
This is my favorite PBT MT3 set because of the sheer versatility. Drop pulled out all the stops to give you every possible key and shape they could. Throw the Unicorn Barf kit on top and it is an awesome color combo.
Recommends this product? Yes
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jkranz
1
Sep 6, 2025
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Base Kit: Excellent Set
I'm a big fan of the MT3 profile, the way the scoops "hug the fingers"... anyway, before I got this /dev/tty set, I only had the ABS version, but these PBT caps are phenomenal, its a slightly different texture than the ABS, a bit more "matte" and it seems I prefer this! I only wish the numpad kit wasn't sold out :(
Also a big fan of the R5 on the bottom row. Seems more aesthetically pleasing to me, I wish more MT3 sets offered R5

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Recommends this product? Yes
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drinfernoo
1
Jul 28, 2025
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Beautiful color scheme for for a Unicorn!
The original Unicorn Barf kit sold out so fast that I couldn't help but snatch up the new RGB run as soon as I saw them go up!
These keys are awesome, with quality dye-subs, crisp legends, and some "unique" keys. In particular, this is one of the only MT3 "extras" or "accents" kits I could find that has "R5" flat modifier keys, which are indispensable for thumb keys on split ergo boards.
I will admit that I preferred the legend design of the original Unicorn Barf's Backspace keys, but these are totally fine, and the simple "back arrow" on the 1.5u is perfect for my use case (left innermost thumb key on a Lily58 Pro). There is also the notable exclusion of the R2 Unicorn key, which I would prefer to have, for future flexibility, but with an R0 and an R1, there are still options with this kit.

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Recommends this product? Yes
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vertex
4
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Jun 6, 2025
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Very thick
This profile is not for everyone, but I like everything about them.
Recommends this product? Yes
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jonhinkerton
1
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May 25, 2025
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Very nice keycaps
I bought the ortho set for a preonic and they are great. I'm always a fan of tall SA-type keycaps and these give what is a flat keyboard a good bit of arch that makes it more comfortable to type on. The keys are quite sturdy and have a nice matte finish. The alphas are more grey than white, the various photos can be difficult to determine, and the modifiers are vibrant and well-chosen colors. They included a lot of modifier keys in each row which is great for small keyboard enthusiasts since we tend to be peculiar about our arrangements and layering and with the profile you really can't mix rows. It also came with a "Bee" key which is a fun way to implement the dupe for split users. I will definitely look at this line again in the future.
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Recommends this product? Yes
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jpdailey14
2
May 13, 2025
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great keycaps; wish for some more flexible key layouts within
I like the retro-style! I wish the numeric keypad set had a "/" and "*" instead of a divide and multiplication sign; also, maybe some other positions for the "FN" key (eg R0) in the Unicorn Barf set.
Recommends this product? Yes
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HuhKae
1
Apr 20, 2025
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Beautiful Set Of Keycaps
The MT3 Style Keycaps Takes Awhile To Get Used To, Other Than That It Feels Great To Type With And It Enhances The Sound Of The Keyboard.
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Recommends this product? Yes
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