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in today's episode of Linus tech tips home isolation edition

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we are going to take these plain old boring keyboard keycaps and infuse dye

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into the surface of them to make our very own full color custom keycaps all

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you need to do this is a converted inkjet printer

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a homemade heat press some sublimation paper in my hand

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and a little bit of patience this is going to be my first time doing it so

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let's hope that colin's instructions are extremely clear

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simplisafe is the effective and affordable home security service designed to keep your home safe head to

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simplysafe.com forward slash LTT and stay tuned for more info coming later on

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in this video

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dye sublimation is the process of printing a dye onto a transfer medium

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then with the application of both heat and pressure infusing the dye into the

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surface of a receptive material this process is commonly used to print onto

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mugs clothing phone cases and much much more and with a little bit of work you

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can take an everyday inkjet printer and

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some dye sublimation transfer paper oh apparently i already have that one

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how convenient note that if you choose to convert a second hand printer guys

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there are some extra steps involved we went new and we chose the epson

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wf-7210 because it's relatively cheap

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and there were ample choices for dye sub conversion kits on amazon time to set it

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up i guess i have no instructions for this so

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good luck the most important thing though is to not run the stock

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cartridges at any point because then it's a used printer and now you have to

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do those extra steps this looks and feels extremely cheap

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refill ink hole is this

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this is so stupid these don't even have screw on tops this just like

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rams on there that's not amazing wait oh shoot that's

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not the oh that's the air hole oh shoot i have one job i have one job put the

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thing into the correct hole see you knew i wasn't gonna be able to handle that

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all right hey one down

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i think it's the size because normally the black ones are bigger but i don't

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think it actually lets you fill it all the way okay

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you got us a printer ladies and gentlemen probably like that i guess would i screw

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up something as simple as loading paper in a printer

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well would i screw up something as big as marrying someone who doesn't know how

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to put paper in a printer no now that that's over with we can get to

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printing so i've actually got a sheet of designs from our very own one and only

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macro king taryn van heemert apparently

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this is just one of the uh

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many that taryn has requested so there's going to be a lot of

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trial and error here i guess it doesn't really matter which design we uh start

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with why does he need a band key like bandhan

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i don't know so while that's printing guys um you can take a break and visit

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lttstore.com oh who's a hater now

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all right let's have a look at our size here so these are supposed to be 11

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millimeter by 11 millimeter which should fit

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pretty nicely onto our keys we didn't go right to the edge

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we left a bit of a border but that was on purpose now that that's

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done i will finally go through the press that colin made so the construction is

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pretty simple you've got two pieces of wood

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small hinge a heater element right here

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and then a power supply for the aforementioned heater element

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we also used some high temp jb weld to hold the heater in place and

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basically all that's involved is you take this puppy

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put it this way and then apply pressure

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when you've got both heat and pressure the ink should soak

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into the key cap permanently collins instructions were doing pretty well

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until now i'm supposed to remove this silicone from this plastic strip but

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they seem to have bonded fairly permanently nope this is not coming off fine i guess

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you're getting the axe today this was the only other silicone thing that i

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could find in this building unfortunately now we

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just need a piece of this that is about the same size

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as our keycap printout the silicone goes

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on there apply pressure for 50 to 60 seconds geez

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that is a long time okay here we go

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all right let's have a look we got nothing

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let's try that again absolutely nothing i have an uneasy

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suspicion that this ink is not dye sublimation ink at all because i would

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have expected it to transfer at least a little bit so far as you guys can

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probably tell from the improvements to the lighting

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skill with the camera and beard some time has passed and i am

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ready to pick up again with diy custom

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keycaps this time with the correct ink you want

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the minecraft head or you want the minecraft block

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so we need to take our creeper and we're going to put it on top of

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there that's a play down yes so that's the whole point the ink on

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the top is going to get soaked into this plastic

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right here so it needs to be upside down can you count to 60 one two

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three

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sixty that is pretty cool

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all right so there's our minecraft creeper i don't know if it needs to cool

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down to be durable but

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it seems fine right off the bat the idea is that the ink actually soaks right

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into the plastic so it shouldn't be easy to remove daddy can

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you stop this stop what stop rubbing

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stop rubbing it why i'm trying to test and see if it's going to come off it's

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not coming off impressively the color is

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actually better after you sublimate it so you can see our white key cap is a

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much more vibrant green than our white piece of paper here okay

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let's do the little cute face wow that's really good cutting one two

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nine sixty okay do you think it worked

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yeah oh that's adorable

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just like the creeper the die is sublimated into the keycap material so

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it does not scratch off that is super cool i've only done about half a dozen

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of them so far but i've already learned quite a few things

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number one is that more pressure seems

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to mean that you can get away with less time

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number two is that dye sublimation definitely doesn't work on dark keycaps

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at all not only did the images not transfer particularly well but we

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actually found that they melted more easily from the heating element

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and then the other one is that if you don't get a full transfer you can

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actually kind of peel it back a little bit put it back on and then give it

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another go that was how we fixed the LTT logo one

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if i were to design this uh heat press again one thing i would probably change

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is to elevate the hinge a little bit because right now what i'm finding is

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compared to just doing 40 seconds which is what i've settled on now with more

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pressure i kind of have to do 20 seconds one side

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20 seconds the other side in order to get an even application now that i've

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got the hang of it though they are coming out incredibly well as long as

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it's a pretty simple design on a light-colored cap i don't want to take

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another crack at this batman one you can clearly see i didn't put enough pressure

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on it let's check this minecraft block shall we hey

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how's that look pretty good hey

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do you guys want to take another crack at the batman key yeah please well we

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can do that together but i think i'm done talking to the

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simplysafe.com forward slash LTT if you guys enjoyed this video maybe check out

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our recent video where we showed off the

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only all metal keyboard as far as we're aware that's right all metal body all

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metal keycaps even we're gonna have that linked down below