This one is super hard to get with your fingernails. Next you need to remove the final protective film from the OCA sheet. Now stick the OCA sheet to the tabs and press down hard to get a good bond. Remove the first two layers (the widest and second-widest) of protective film to expose one side of the adhesive. Your OCA sheets have not one, not two, but THREE glorious protective films. The glue gets everywhere so when you're done, carefully clean any glue mess from your shield using a paper towel or microfiber cloth soaked in alcohol.Ĭut your Optically Clear Adhesive (OCA) sheets so that they are about 1/4 inch (6 mm) less than the width of your tab. I hope you bought the roller! I did the first one without the roller and my muscles were really sore the next day. Special Note: The roller makes this much, much easier because it concentrates your forces to produce a higher pressure. If you see an air bubble in the glue, press down hard and squeeze and push that bubble to the edge of the sheet where it will pop and disappear. Use your hands (or a roller, if you purchased one) to push down HARD on the lenticular sheet and force the glue to spread out and fill the entire air gap between the polycarbonate and the lenticular sheet.
Make sure to place the smooth side against the glue, so the ridges are facing away from the shield. The lenticular sheet has a smooth side and a side with ridges.
Now, carefully place your lenticular sheet onto the glue. To get all the glue to come out, you'll need to push the plunger all the way into the vial using a pen or stick or whatever's handy. Next, take your two 50 ml vials of Optically Clear Adhesive, and spread the glue on your polycarbonate in the pattern you see in my photos. I wiped mine with a microfiber cloth sprayed with alcohol, but you can also use a paper towel. Make sure your shield and lenticular sheet are clean of dust before you proceed. Remove the oddly satisfying plastic film from the front of your shield, and set it on some boxes or whatever you have nearby to raise it off the floor. As you can see in the photos my body was mostly designed for typing, so you can probably do it too. I just tapped into some leftover teenage angst and pushed with all my strength and it bent! I'm not a super strong person. I even bent one of the tabs just using my bare hands during my prototyping process. I bent my tabs using a bending machine called a finger brake, but you can use a shop vise or whatever you have available to you. It's the bendable plastic of your dreams! but don't worry, it won't snap because polycarbonate is special like that. What's that? You've never bent plastic before? With most plastics it's pretty difficult, but you're in luck because you're using polycarbonate! This plastic is really easy to bend and you don't need to heat it or do anything special, just bend it! While you're bending, you might feel afraid it's going to snap. The exact angle is not important, just bend them far enough so that you can't see them when you're looking at the front of your shield.
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