Heat Sealing is done by simply using a heat gun or Hairdryer to gently heat up the foam. A new sanding drum is too abrasive for working with the eva foam. I did not cut the slots into the kneepad inset until after I had glued the piece down. As long as the foam is hot, you can shape it into rounded or curved shapes. ... Now I have a hard deadline coming up and no way to shape my eva foam. A hair dryer should work fine, it just may take a bit longer to get the pieces heated. Without adequate safety features, your heat gun experience could turn into a total disaster. 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. You can see that there's a fairly sharp bend in the front of the boot top. The Process is simple but takes time and patience to master. 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. 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. It'll grind off material too quickly, and leaves a striped texture from the grit on the drum. 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. As you can see, the kneepad is made from two halves, that are heat formed & then glued together. One of the best things about EVA foam is how easily it is to mold with a heat gun. Dremel 85422 Silicon Carbide Grinding Stone, On to Plastidipping and Painting the Armor->. This heat gun will be a useful addition to your tool kit. It's a piece of junk. Resin won't actually stick directly to EVA foam. Now you'll need to remove the texture from the front of the piece. Otherwise it would have been trial & error to match the curve of the two kneepads. Thanks for reading! Then just apply the Heatgun and the lines will open up! You heat the foam up using the heat gun. 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. Here's the boots just about done. It's just another thing to clean up. Again, like the slots in the kneepads, I did plunge cuts with the dremel AFTER I applied the fun foam to the pauldrons. I couldn't say it any better, so instead of trying, here's his video. You'll need to change blades fairly often...the foam dulls the blades very quickly. It’s actually possible to burn your foam by keeping it focused on a single area for too long, so keep it moving! A smooth dense surface means your flex paints and glues will adhere with ease. I used the sharpie tick marks that I made earlier as a guide. I attached an elastic strap to the pull loop of the boot & velcroed it up high inside the boot top. So, if something were to happen to you whereby you lost control, you should still be safe. To find out more about simulating the stitching visit THIS PAGE. After the texture has been removed, you can start to heat the EVA foam for shaping. There are ways to make the foam hold it’s shape better. It's also used for heat forming the foam as well as leaving a tough skin on the surface. The next step for them will be to flatten the texture by heating the surface with a heat gun. Here are the pieces for the Garron Paduk boots. The large pieces are cut & then applied to the boot using superglue. You'll start the process by cutting out your paper template. I had to stretch the fun foam template by almost 2" due to the stretching caused by the heat forming. 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! I only use superglue for assembling my EVA 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. The same method applies to heating a synthetic wig that can take heat. After a while the Catalyst starts to loose its "chemical energy" and it takes a very long time to cure ( if ever). This is the Doc Marten boot with the EVA shell applied. Before using a new sanding drum, I like to wear it out a bit first! You do this by heating the face of the foam with the heatgun. I don't think you could get away with just gluing the edges of the vinyl. Spread the glue into a thin layer using a wooden coffee stirrer, then allow it to dry for 10–20 minutes. Ask Question. 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. This easy-to-use gun comes with a 70" cable. 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… 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. After the texture has been removed, you can start to heat the EVA foam for shaping. The damage from the runaway bit isn't generally very bad. The sharpie tick marks are to help me match up the pieces and to mark locations for seam lines, center line, etc. *** Putting complex bends and curves in EVA Foam armor can be tricky, since the foam is very elastic and flexible. After you've finished shaping/grinding the piece, go back over the shaped areas with the heat gun. Bill Doran of Punished Props did a video on his YouTube channel about the various super glues he uses for his props. YES, it can pull dents out of foam, I do it all the time. Cutting and Shaping the EVA Foam. Because of the rotation of the sanding drum, you'll want to grind from left to right. Once the foam is heated up enough, you'll pull/stretch the foam down over the hitch ball. Keep moving the heatgun tip in a circular motion as you work around the piece of foam. The elastic was able to stretch when I walked, and pulled the boot top back down when I wasn't walking. There isn't really a set temperature, just when the foam becomes easily bendable. Note: These pieces are made from two layers of foam that are glued together. It might turn out alright at first, but then you wind up with a fiberglass shell falling off of the foam underneath. Just take your metal ruler & mark the line with a sharpie. 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. Keep the heat gun about 2"-3" away from the foam, and keep the gun constantly moving. That keeps you from seeing the back texture on the finished piece of armor. 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. (I learned this trick from my friend Barry, I don't know where he learned it from). Our standard EVA foam comes in a density of 38kg/m3. 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. You can use it to dry accessories for your jewelry, dresses and more. I want to make an armor cosplay with 6MM EVA foam but i dont think i want to buy a heat gun just yet. You can make panel/surface detail lines by first tracing the pattern with a ball point pen. You don't want to heat it up too much. This sets the foam … Move the heat around constantly as the EVA foam does burn rather easily. They have been cut out using an X-acto knife. The next step for them will be to flatten the texture by heating the surface with a heat gun. If you heat up one spot too much, it'll blister. You don't want to heat it up too much. 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. Your best bet is several coats of PVA Glue (Mod Podge, Elmer's White Glue etc). If you do, you'll end up with a burned/scorched spot. That will create ripples as the costume flexes. This is important to know since many times of armor cannot have seam lines. I used the same process for the slots cut into the face of the boot top just below the kneepads. Vinyl graphics were printed and glued to the foam with 3m 77 and it held up to a fair amount of abuse. I personally have the Wagner 200 watt heat gun, you can find this model nearly anywhere. Just make sure to turn the piece of armor around & clean up the rest of the edge, working left to right. BPL Member. 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. ;^). 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. Now I'm applying details made from 2mm & 3mm fun foam (Silly Winks). You'll be heating both the front & back sides of the foam, but really pay attention to the outer side for the stretch/form. It still need keepers to hide the seam between the kneepad & straps, but it's just about ready for Plastidip. Keep the heat gun about 2"-3" away from the foam, and keep the gun constantly moving. Keep heating until … This is the damage caused by the bit running away from you at the end of an edge. (the boots were on back order). I prefer to move at a rate of approximately 10 centimeters per second. 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. Run the X-acto knife along the interior of the armor part to make a slice. This is where having the flex shaft attachment is very handy. 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. As you can see, the damage isn't bad, but makes a little more work to clean up. Using your heat gun go from one end of the foam to the other. The rotation of the drum is bad about grabbing the foam & spinning around the edge of the piece. 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. 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. LIGHTLY cut the lines with your X-Acto knife. (and could throw off the shape of the piece). You can just barely see the seam below the curve. Steven Evans. If you were to work from right to left, the drum will dig down into the foam & not float across the surface. This will tighten & seal the foam texture. Upper Left Photo: The pauldrons have been heat formed. Use a heat gun One of the most important features is the delicately named ‘dead man’ switch. Thick or thin, foam will adapt to your different projects. 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. 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 . ... heat directly to the surface, making sure I got both the treated and untreated areas. Use a couple pieces of double sided tape to hold the template on the foam while you trace the pattern pice with a Sharpie. Use an X-Acto knife to cut the piece out of the foam. The boot & boot upper will not be glued together. They are ready for paint. 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! For shaping the foam, make sure to heat the foam from both side before you begin. Cosplay Pros EVA foam sheets are of the highest quality and are used by the best cosplayers for a reason. This shows the addition of the kneepads to the boot. 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). 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. to cut the panel line. I placed them on the MF boots because I hadn't completed Garron's boots yet. This will “close” the surface of the EVA Foam to prepare it for Sealing and Painting later on. This means your projects will have a professional final appearance. Dec 22, 2010 at 4:35 pm #1676888. I created human sized DVD costumes a few years ago out of EVA foam. Then use the side of a Dremel 85422 Silicon Carbide Grinding Stone Heating EVA foam gives off toxic fumes. This gives you a much smoother surface when you get to 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. ), a mason jar; or you can just shape it with your hands. Here are the main panel lines cut into the boot top. I just didn't take a photo of that, so the glove free pic will have to do! These are the boot tops on my Marcus Fenix boots. I haven't ever come close to melting or burning the foam. ... 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? That usually seals most of the pores. Use an X-Acto knife to cut the piece out of the foam. Date published: 2020-10-23. Use a couple pieces of double sided tape to hold the template on the foam while you trace the pattern pice with a Sharpie. 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. I dremeled the texture from the backside to minimize the seam between the two layers. So using this method, I took the traced foam pieces, heated them, and folded them against my ankles. If you release pressure from the trigger the heat gun will turn off immediately. Parts don't… 3m 77 will adhere the vinyl to the EVA foam. 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. Thanks in advance. Make sure to move the foam around on the hitch ball or you'll get an uneven curve. This will create a sharp edge later. Hold it in the desired shape until it cools down. 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 (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. 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? This was achieved by grinding out 1/4" deep channel in the back side of the foam. Heat molding foam/neoprene. You'll start the process by cutting out your paper template. Stop grinding before you get to the right edge of the piece. 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. Lower Right Photo: These are the pauldrons after Plastidip. Can i warp EVA foam with a hair dryer? 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