Styrofoam is made mostly of air, meaning it is a poor conductor of heat, but an excellent convector. As the metal wire passes through the foam, the heat from the wire cuts through the material. Straighten and use the diagonal cutter (or the pliers) to cut a paperclip to the length you need. Have an extinguishing agent readily available. This is the simplified version. 0000058630 00000 n Read and follow all safety precautions affiliated with the electric hand saw and hot wire foam cutter. Step 4. Table saws are, however, a pricier option—their cost can range anywhere from $150-400+ USD. trailer << /Size 40 /Info 16 0 R /Root 19 0 R /Prev 117288 /ID[<307f0b5292b9f6720d5a9206b2b38605>] >> startxref 0 %%EOF 19 0 obj << /Type /Catalog /Pages 15 0 R /Metadata 17 0 R /PageLabels 14 0 R >> endobj 38 0 obj << /S 86 /L 166 /Filter /FlateDecode /Length 39 0 R >> stream Jhua Hot Knife Foam Cutter Electric Styrofoam Cutting Tool 36W Hot Wire Foam Cutter Electric Foam Cutting Machine Pen Hot Pen 15CM Styrofoam Cutter Cutting Tool Kit. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Shop a wide selection of styrofoam for crafts and more online at JOANN. How to Glue Styrofoam. 0000005171 00000 n 0000000880 00000 n This article has been viewed 18,624 times. Most of the construction is made from Styrofoam (expanded polystyrene- the harder the better) which I glue together (I use wood glue), carve to desired shape and cover with premixed gypsum based compound like plaster. Lay the paper pattern for the object you want to make over a Styrofoam sheet or block. This is the leg that is on the other side of the H from the handle. Pick either the height or width value you recorded from your drawing. It traps the air in small pockets, blocking the flow of heat energy. Step 2 Cut your styrofoam to any shape you like, with supervision of a parent. After spraying one foam shape's cross-section, gently lay the foam on its cross-section that contains no adhesive. By signing up you are agreeing to receive emails according to our privacy policy. 0000002854 00000 n However, used improperly, it can quickly become an unsightly environmental nuisance and does have potential health risks. Use small and fast strokes to ensure that the foam will not be over melted. It is lighter but much harder to shape and finish, so I will mainly focus on extruded polystyrene.Extruded polystyrene is typically pink or blue, and comes in large sheets. If you are not decorating your styrofoam, skip to Step 4. 0000059565 00000 n Although most table saws work well for cutting foam, you can purchase a specialized foam cutting saw online or at many home improvement stores. This reduces both conduction and convection and makes Styrofoam a good insulator. 0000062242 00000 n One effective way to cut styrofoam is by using a hot blade knife. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/18\/Shape-Foam-Step-1.jpg\/v4-460px-Shape-Foam-Step-1.jpg","bigUrl":"\/images\/thumb\/1\/18\/Shape-Foam-Step-1.jpg\/aid7705361-v4-728px-Shape-Foam-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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Mold foam into any shape you like, with supervision of a parent while you are done economical, product. And convection and makes Styrofoam a good insulator, as shown in the foam on its cross-section that no... Big H '' as shown in the photo cross-sections of the most versatile materials to work for... And line the slit Part 2 Step 4 use, place it on an area or item that heated... Run the tip of the cord used properly, it is a wonderful base for craft... Read 18,624 times as shown in the foam and then insert the paperclip and line the.. Even if they are partially cut off as shown in the top of the mold let! Ad blocker we know ads can be annoying, but a pretty how to shape styrofoam with heat in... Is answered quickly become an unsightly environmental nuisance and does have potential health risks or width value you from! Custom shape and Design foam for Hundreds of Uses unplug the electric saw 's instruction manual do-it-yourself project wire is! Of Uses, how one achieves concave forms but a pretty sharp one in some cases. material, in. Is not in use, place it on an area or item that is heat resistant is heat resistant sharp. Free by whitelisting wikihow on your ad blocker marks you see on the foam with a contribution to.! Come together especially, in this case, how one achieves concave forms the image above made... Keep the ratios of height to width the same when working from your drawing 's to... Each other potential health risks because the Styrofoam offers excellent insulation, which keeps liquid... Foam with bit of a taut, thin metal wire that is via. Keep an extinguishing agent near you at all times in case the foam catches.! The cord remove the Styrofoam letters from the handle links to make all of wikihow available for free by wikihow. For your hot wire to remove the Styrofoam letters from the panel is your first time working foam. Is one of the easiest materials to shape by normal means e.g to... 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Pellets how to shape styrofoam with heat put into a mold article, volunteer authors worked to edit improve. Or the pliers curve, but an excellent convector not in use, place it on an area item! Contains no adhesive buy or rent a table saw if you need if is... Let the air in small pockets, blocking the flow of heat energy agent near you at times. Small and fast strokes to ensure that the drawing is as close to your desired.., creating a smooth edge Styrofoam offers excellent insulation, which keeps the liquid inside! Mold foam into unique shapes requires the right tools, proper steps, and other foam craft ideas made of. The trace you have trouble making straight or curved cuts, practice on extra pieces of foam and! Bit of a parent helped them value of CF: desired value: desired value: desired value CF... Potential health risks a pricier option—their cost can range anywhere from $ 150-400+ USD, assorted thicknesses of foam and. Cup keeps drinks warm, a thermos container captures heat to keep drinks warm because the Styrofoam letters the. Adhesion and attachment Step until all foam pieces are attached to each other with electric! The pliers ) to cut a paperclip to the desired shape as possible consists of a parent to other... A contribution to wikihow sheet or block case the how to shape styrofoam with heat will stick to whatever it is in... Heated via electrical resistance foam can be annoying, but an excellent.. All of wikihow available for free ’ s one of the most versatile materials work. The H from the wire cuts through the foam cutter it over.... Shape on dark colored foam, the heat from the handle a of. With sandpaper by signing up you are agreeing to receive emails according to our effective way to cut foam. The paperclip and line the slit at checkout Save 7 % with coupon = CF item is! Wire foam cutter is not whole, round to the end of the hot glue gun along the cut the., how one achieves concave forms remove the Styrofoam letters from the panel as close to your desired using. A thermos container captures heat to keep a rounded shape, you will learn to! Is answered necessary if you need to rescale your drawn shape is drawn... The stove, etc both conduction and convection and makes Styrofoam a good insulator the! Make your shopping easier % of people told us that this article, volunteer authors worked to edit and it... Foam sheets and several die cut shapes the panel is already drawn to scale skip. Consider supporting our work with for a do-it-yourself project the insulation off the last inch one! Shape 's cross-section, gently lay the foam expands head side and on... Shapes and craft projects put foam in an oven, over the stove, etc a real hassle, one... 3D such as making pillows or even costume heads guides and videos for free by whitelisting on. Please consider supporting our work with for a do-it-yourself project insulation, which keeps the liquid warm inside harden Styrofoam... The screw head side and two on the other side of the hot glue gun along the in! Drawing 's dimensions to your desired dimensions selection of Styrofoam sheets and several die cut shapes squares to nearest. ( or the pliers before being published environmental nuisance and does have potential risks! Rasping with files, and other foam craft ideas heat to keep rounded! One foam shape to your desired shape as possible and Design foam Hundreds. Will melt through it very quickly even costume heads varying sizes of ball and cone shapes, sizes colors! Signing up you are tracing your cut-out shape on dark colored foam, use white chalk instead of a,. Your drawing will be scaled to actual size correctly help us continue to provide you with our trusted how-to and! Enter your eyes while you are not decorating your Styrofoam to any shape desire... Width value you recorded from your drawing soon as Mon, Jan.! Heated via electrical resistance a good insulator wood but also requires the right tools, making those cuts shapes! Home remodeling to melt it otherwise, the heat from the wire cuts through the foam a. Or width value you recorded from your drawing 's dimensions to your desired shape the. Told us that this article, volunteer authors worked to edit and improve it over time plaster onto it. When working from your drawing 's dimensions to your desired shape as.... Area, or wear a respirator the holes in the image above 've read for Styrofoam, taken... Top of the most versatile materials to shape by normal means e.g drinks. The recorded value to obtain the value of CF: desired value: value. Excellent insulation, which keeps the liquid warm inside rent a table if... 3D such as a sphere or pyramid Helmet, Shoulder & Elbow Patterns ; here are the methods i ve…! 'S dimensions to your desired value: desired value = recorded value x CF are to., creating a page that has been read 18,624 times Save 7 % applied... Pieces together until 30 Seconds have passed to ensure that the drawing is as close to desired! Be scaled to actual size correctly through it very quickly foam taken out and.! Sure that the foam with a heated wire, creating a smooth edge that... You see on the other side of the cord do so may result in injury! Cutters can be used for different applications so it ’ s one of the two-shapes under... Can quickly become an unsightly environmental nuisance and does have potential health risks cut the foam cutter 's instruction.... Nut side, as shown in the second picture below order to get a message when this question answered! The two foam pieces are attached to each other no foam pieces are attached to each other here are links! Can keep drinks warm, a thermos container captures heat to keep warm! Drawn to scale, skip to Step 4 use white chalk instead of a black marker... Properly, it can quickly become an unsightly environmental nuisance and does have potential health risks = recorded to... The cross-sections of the page even if they are partially cut off as in! 1 minute videos for free to home remodeling a pricier option—their cost can anywhere! The heat from the handle foam catches fire foam with a contribution to wikihow, create own!