After the texture has been removed, you can start to heat the EVA foam for shaping. Use a heat gun Using your heat gun go from one end of the foam to the other. You can see that there's a fairly sharp bend in the front of the boot top. The fundamentals of creating something out of those crafting materials primarily consist of heating the piece and holding it in place until it cools down to retain the shape that you want. (I learned this trick from my friend Barry, I don't know where he learned it from). It's also used for heat forming the foam as well as leaving a tough skin on the surface. Then use the side of a Dremel 85422 Silicon Carbide Grinding Stone Stop grinding before you get to the right edge of the piece. Here's the boots just about done. Dec 22, 2010 at 4:35 pm #1676888. As long as the foam is hot, you can shape it into rounded or curved shapes. When you heat up the foam pieces and fold it over you ankle as it cools, it will retain the shape that you hold it in. ;^). to cut the panel line. You'll be heating both the front & back sides of the foam, but really pay attention to the outer side for the stretch/form. They have been cut out using an X-acto knife. You do this by heating the face of the foam with the heatgun. The elastic was able to stretch when I walked, and pulled the boot top back down when I wasn't walking. One of the best things about EVA foam is how easily it is to mold with a heat gun. It's a piece of junk. You can make panel/surface detail lines by first tracing the pattern with a ball point pen. It still need keepers to hide the seam between the kneepad & straps, but it's just about ready for Plastidip. I did not cut the slots into the kneepad inset until after I had glued the piece down. Date published: 2020-10-23. You can use it to dry accessories for your jewelry, dresses and more. So, if something were to happen to you whereby you lost control, you should still be safe. The same method applies to heating a synthetic wig that can take heat. YES, it can pull dents out of foam, I do it all the time. After a while the Catalyst starts to loose its "chemical energy" and it takes a very long time to cure ( if ever). The large pieces are cut & then applied to the boot using superglue. After reading a good bit about using eva foam for various cosplay costumes, I went out and got a few sheets of the puzzle piece EVA from home depot and a heat gun. You'll start the process by cutting out your paper template. Resin won't actually stick directly to EVA foam. Just make sure to turn the piece of armor around & clean up the rest of the edge, working left to right. I haven't ever come close to melting or burning the foam. Make sure to move the foam around on the hitch ball or you'll get an uneven curve. Lower Right Photo: You'll need to remake/adjust the patterns for your fun foam pieces after you've heat formed the main EVA foam. I only use superglue for assembling my EVA armor. Run the X-acto knife along the interior of the armor part to make a slice. If your Prop is not moving and does not bend (for example a solid armor) then you can seal your Foam with simple white crafts glue. This gives you a much smoother surface when you get to painting the armor. You'll leave the glue/seam edges sharp, but if it's an exposed edge, I like to flip the piece over & grind off the edge of the back texture. I had to stretch the fun foam template by almost 2" due to the stretching caused by the heat forming. Keep the heat gun about 2"-3" away from the foam, and keep the gun constantly moving. Can i warp EVA foam with a hair dryer? One of the most important features is the delicately named ‘dead man’ switch. BPL Member. If you were to work from right to left, the drum will dig down into the foam & not float across the surface. I just didn't take a photo of that, so the glove free pic will have to do! It's just another thing to clean up. Your best bet is several coats of PVA Glue (Mod Podge, Elmer's White Glue etc). When you're removing the texture (or when heating the foam for shaping), make sure to keep the tip of the heatgun about 2" from the foam. A new sanding drum is too abrasive for working with the eva foam. Now I'm applying details made from 2mm & 3mm fun foam (Silly Winks). Use a couple pieces of double sided tape to hold the template on the foam while you trace the pattern pice with a Sharpie. I could have made this from a single piece, but the model shows a seam there, and making it in two halves allowed me to replicate the shape of the curve accurately for the two kneepads. That usually seals most of the pores. ... Is there a material that I could heat with a heat gun or in an oven for a little while that would render it flexible and stretchy enough to stretch over a die without losing its shape when it cooled? I don't think you could get away with just gluing the edges of the vinyl. I attached an elastic strap to the pull loop of the boot & velcroed it up high inside the boot top. Can a normal or strong hair dryer do the work or do i have to shell out for a heat gun if i want any result? Cosplay Pros EVA foam sheets are of the highest quality and are used by the best cosplayers for a reason. Upper Left Photo: The pauldrons have been heat formed. Hold it in the desired shape until it cools down. (the boots were on back order). So if it is put on eva foam the foam tends to act as a insulator and absorb the heat hindering the reaction and never letting it cure. If you heat up one spot too much, it'll blister. You can just barely see the seam below the curve. After you've finished shaping/grinding the piece, go back over the shaped areas with the heat gun. Having helped a friend with shaping the armor and doing foam work myself, I have found the best thing to do after getting it heated up and shaped is to throw it in the freezer. These are the boot tops on my Marcus Fenix boots. This will tighten & seal the foam texture. Because of the rotation of the sanding drum, you'll want to grind from left to right. As you can see, the damage isn't bad, but makes a little more work to clean up. That will create ripples as the costume flexes. Note: These pieces are made from two layers of foam that are glued together. As you can see, the kneepad is made from two halves, that are heat formed & then glued together. This means your projects will have a professional final appearance. This easy-to-use gun comes with a 70" cable. For shaping the foam, make sure to heat the foam from both side before you begin. Thick or thin, foam will adapt to your different projects. It’s actually possible to burn your foam by keeping it focused on a single area for too long, so keep it moving! My big concern though is with the actual heat gun itself, in all the videos, people are bringing it near their hands and touching the foam as they heat it. *** Putting complex bends and curves in EVA Foam armor can be tricky, since the foam is very elastic and flexible. Heat molding foam/neoprene. Without adequate safety features, your heat gun experience could turn into a total disaster. Once the foam is warm enough, you can use your knee, a hitchball clamped in a vise, or even just your hands to strech, form, & bend the foam. A smooth dense surface means your flex paints and glues will adhere with ease. If you do, you'll end up with a burned/scorched spot. Thanks in advance. Heat Sealing is done by simply using a heat gun or Hairdryer to gently heat up the foam. I placed them on the MF boots because I hadn't completed Garron's boots yet. You'll start the process by cutting out your paper template. This will create a sharp edge later. You can lay the flex shaft along the foam so just the edge of the dremel stone cuts into the face of the foam. Now you'll need to remove the texture from the front of the piece. Dremel 85422 Silicon Carbide Grinding Stone, On to Plastidipping and Painting the Armor->. I've also found that you can rough cut foam (especially on EPP) and skip sanding it, just heat it with a heat gun and as the suface particles melt the foam suface smooths out nicely. Once the foam is heated up enough, you'll pull/stretch the foam down over the hitch ball. I want to make an armor cosplay with 6MM EVA foam but i dont think i want to buy a heat gun just yet. I did a plunge cut with the end of a dremel chainsaw sharpening stone to drill each end of the slot, then went back with the same bit to connect the two holes. I used the sharpie tick marks that I made earlier as a guide. Then just apply the Heatgun and the lines will open up! I know some people use hot glue & other adhesives, but I've found that my coating/painting aheres better if hot glue is not involved. You (generally) don't want to point your heat gun right at one spot without moving it, always keep it waving back and forth on the piece of foam you will be bending. Our standard EVA foam comes in a density of 38kg/m3. I dremeled the texture from the backside to minimize the seam between the two layers. ), a mason jar; or you can just shape it with your hands. The rotation of the drum is bad about grabbing the foam & spinning around the edge of the piece. Use a couple pieces of double sided tape to hold the template on the foam while you trace the pattern pice with a Sharpie. Heating EVA foam gives off toxic fumes. To use a heat gun to seal EVA foam, simply let it heat for a few seconds, and then blow hot air onto your foam from a distance of about 20 centimeters. Here are the main panel lines cut into the boot top. That keeps you from seeing the back texture on the finished piece of armor. Upper Right Photo: This is the shoulder paudron pieces after they've been cut out, heated to remove the texture, and the edges dremeled to give them a smooth rounded edge. Just take your metal ruler & mark the line with a sharpie. Move the heat around constantly as the EVA foam does burn rather easily. Run the knife along this slice a few more times until the cut is deep (~half the thickness of the foam) Keep the cuts fairly rough (instead of clean cuts) as the glue bonds to the foam even better. You don't want to heat it up too much. The next step for them will be to flatten the texture by heating the surface with a heat gun. Steven Evans. Spread the glue into a thin layer using a wooden coffee stirrer, then allow it to dry for 10–20 minutes. This was achieved by grinding out 1/4" deep channel in the back side of the foam. Robin discovered that an old 2-5/16" hitch ball clamped in the shop vise was a perfect tool for forming rounded sections of foam. Jun 6, 2017 - Bending, Shaping and Strengthening Foam Armor (Cheap and Easy Method): *** If you enjoyed this instructable, please consider voting for me in the contests it is entered in! Keep the heat gun about 2"-3" away from the foam, and keep the gun constantly moving. (and could throw off the shape of the piece). Vinyl graphics were printed and glued to the foam with 3m 77 and it held up to a fair amount of abuse. You don't want to heat it up too much. I usually grind the new drum along the side of the disc on my bench grinder, but I'm sure you can use a grinding stone, concrete floor, etc. This sets the foam … This heat gun will be a useful addition to your tool kit. After the texture has been removed, you can start to heat the EVA foam for shaping. Trace the base pattern onto your foam with either a marker or a sharp object, like an awl or a seam ripper that makes a small groove in the foam. Here are the pieces for the Garron Paduk boots. I created human sized DVD costumes a few years ago out of EVA foam. This is the Doc Marten boot with the EVA shell applied. Use an X-Acto knife to cut the piece out of the foam. It'll grind off material too quickly, and leaves a striped texture from the grit on the drum. Again, like the slots in the kneepads, I did plunge cuts with the dremel AFTER I applied the fun foam to the pauldrons. There are ways to make the foam hold it’s shape better. LIGHTLY cut the lines with your X-Acto knife. This is the damage caused by the bit running away from you at the end of an edge. ... Now I have a hard deadline coming up and no way to shape my eva foam. Using the EVA foam as a sort of sanding block, dip it in the water and get a few drops to stick to it, then "sand" the glued surface you wish to level/shape. This will “close” the surface of the EVA Foam to prepare it for Sealing and Painting later on. It might turn out alright at first, but then you wind up with a fiberglass shell falling off of the foam underneath. Otherwise it would have been trial & error to match the curve of the two kneepads. The boot & boot upper will not be glued together. The White Crafts glue can simply be applied to the Foam in multiple Layers, if necessary, and it will Seal EVA Foam enough to be painted . The next step for them will be to flatten the texture by heating the surface with a heat gun. I couldn't say it any better, so instead of trying, here's his video. Cutting and Shaping the EVA Foam. A hair dryer should work fine, it just may take a bit longer to get the pieces heated. Ever worked with Worbla or EVA foam for your cosplay? Bill Doran of Punished Props did a video on his YouTube channel about the various super glues he uses for his props. I used the same process for the slots cut into the face of the boot top just below the kneepads. 3m 77 will adhere the vinyl to the EVA foam. Keep heating until … I prefer to move at a rate of approximately 10 centimeters per second. Lower Right Photo: These are the pauldrons after Plastidip. And you can use just about anything for shaping a rounded or curved surface - a glass bottle, a bowl, a ball of some sort, a snow globe, a wig head, a duct tape dummy (this is the best for shaping armor! You'll need to change blades fairly often...the foam dulls the blades very quickly. Thanks for reading! Ask Question. In short, there are a lot of different ways to seal EVA Foam the two most well known and widely used methods are using either Plasti Dip or White Crafts glue (wood glue) to Seal EVA Foam. Over a semi-soft cutting surface like a cutting mat or wood cutting block, use a sharp X-acto for craft knife to carefully follow the lines you've traced. Be sure to wear a respirator and do this in a room with good ventilation.-----Using a heat gun on medium heat and low blower (if available), heat the flowers. This is important to know since many times of armor cannot have seam lines. Craft foam can be heated with a hairdryer or heat gun and once it cools it will mostly hold it’s shape (though I’ve found the shape to be more flimsy). Alone or combined with thermoplastics, it will address your needs.Foams that you will find in the cosplay world are usually foam you find as exercise mat or ground sh… The sharpie tick marks are to help me match up the pieces and to mark locations for seam lines, center line, etc. This shows the addition of the kneepads to the boot. Keep moving the heatgun tip in a circular motion as you work around the piece of foam. The damage from the runaway bit isn't generally very bad. At first, you need to know that foam is very useful to make armors, weapons, scenery, or even for seam projects.Heated thanks to a heat gun, it becomes flexible, and keeps the shape that you will give it when cold. This is where having the flex shaft attachment is very handy. Parts don't… Meanwhile, mark up the chin piece with a line, insert the knife halfway into the foam at a 45-degree angle and cut along the line on both sides to make a groove. They are ready for paint. If you release pressure from the trigger the heat gun will turn off immediately. Before using a new sanding drum, I like to wear it out a bit first! There isn't really a set temperature, just when the foam becomes easily bendable. Use an X-Acto knife to cut the piece out of the foam. You heat the foam up using the heat gun. 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