{"title":"Polystyrene Foam","description":"\u003cp\u003eExpanded Polystyrene (EPS) shapes and sheets are a stable, low-density material ideal for large scale models, terrain and sketch modelling.  For more dense foam, for use in projects with a higher finish quality see \u003ca href=\"https:\/\/4d.shop\/collections\/materials-foam-styrofoam\" target=\"_blank\" title=\"Styrofoam XPS\" rel=\"noopener\"\u003eStyrofoam (XPS)\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"4dx-8974-2part-poly-ball","title":"Polystyrene Foam Ball, Two Piece, Hollow","description":"\u003cp\u003eHollow Polystyrene Balls\u003c\/p\u003e\n\u003cp\u003eThese professional-grade, hollow polystyrene spheres are an essential material for architectural massing, scenic design, and structural prototyping. Featuring a two-piece construction with an integrated \"rabbet\" (stepped joint) for precise alignment, these spheres provide a perfectly geometric, lightweight blank that can be easily joined or used as two separate hemispheres. Available in a wide variety of diameters, they offer a neutral, medium-pored surface that is highly receptive to diverse finishing techniques.\u003c\/p\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eArchitectural Model Making: The definitive choice for representing spherical structural elements, urban massing, or topographical domes. The two-piece design allows architects to easily integrate internal lighting, structural supports, or mechanical components before sealing the sphere.\u003c\/li\u003e\n\u003cli\u003eExhibition \u0026amp; Display: Frequently utilised in the construction of large-scale hanging installations, point-of-sale prototypes, and decorative window displays. The hollow interior significantly reduces the mass of the final assembly, allowing for easy suspension.\u003c\/li\u003e\n\u003cli\u003eFilm \u0026amp; TV Prop Making: A staple for building lightweight \"hero\" props, futuristic technology mock-ups, and scenic background elements. The polystyrene surface can be easily primed, sanded, and textured to simulate a wide range of materials from cast concrete to high-tech metallic finishes.\u003c\/li\u003e\n\u003cli\u003ePrototyping \u0026amp; Industrial Design: Ideal for early-stage volumetric studies and ergonomic mock-ups. The spheres can be easily modified to test intersections, openings, and structural joinery using standard workshop tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Medium-pored Polystyrene (Expandable Polystyrene - EPS)\u003c\/li\u003e\n\u003cli\u003eStructure: Two-piece, hollow with rabbet\/stepped joint\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Raw\/Untreated\u003c\/li\u003e\n\u003cli\u003eDiameter: 200mm - 400mm\u003c\/li\u003e\n\u003cli\u003eProperties: Extremely lightweight, buoyent, non-conductive, recyclable\u003c\/li\u003e\n\u003cli\u003eAssemble: Bond with Foam Tack, UHU Por or Gorilla Glue\u003c\/li\u003e\n\u003cli\u003eApply Foamcoat for a tough, durable finish that can be sanded, smoothed or carved\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4D","offers":[{"title":"200mm","offer_id":44141886701622,"sku":"4DXSB91023","price":4.0,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":44141886734390,"sku":"4DXSB91024","price":10.1,"currency_code":"GBP","in_stock":true},{"title":"300mm","offer_id":44141886767158,"sku":"4DXSB91025","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"400mm","offer_id":44141886799926,"sku":"4DXSB91027","price":27.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4992\/8246\/files\/4DXSB91023-1_6b24e391-228d-4479-8add-8691685f6a31.jpg?v=1777461591"},{"product_id":"4dx-polystyrene-cone","title":"Polystyrene Foam Cone","description":"\u003cp\u003ePolystyrene cone.\u003c\/p\u003e\n\u003cp\u003eThis low density polystyrene cone can be used for a variety of applications such as on architectural models, flowerarrangements, Christmas decorations and shop display construction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCone height: 120mm, 200mm\u003c\/li\u003e\n\u003cli\u003eCan be used as a base for clay modelling or paper mache.\u003c\/li\u003e\n\u003cli\u003eUse Foam Armour or Foamcoat to\u003cspan style=\"color: rgb(85, 85, 85); line-height: 19.6px; font-size: 13.63px;\"\u003eseal andcreatea hard anddurable surface.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4D","offers":[{"title":"120mm","offer_id":44141913178166,"sku":"4DXSU60012","price":1.7,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":44141913210934,"sku":"4DXSU60013","price":2.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4992\/8246\/files\/4DXSU60012-1.jpg?v=1777461601"},{"product_id":"4dx-polystyrene-foam","title":"Polystyrene Foam","description":"\u003cstrong\u003ePolystyrene Foam Sheets\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 x 300mm\u003c\/li\u003e\n\u003cli\u003eThickness: Various\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4D","offers":[{"title":"25 x 300 x 300mm","offer_id":44141975142454,"sku":"4DXRF10001","price":2.6,"currency_code":"GBP","in_stock":true},{"title":"50 x 300 x 300mm","offer_id":44141975175222,"sku":"4DXRF10003","price":4.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4992\/8246\/files\/4DXRF10001-1_e400201d-3db6-4bd6-a793-37f4d2720312.jpg?v=1777461579"},{"product_id":"4dx-ball-polystyrene","title":"Polystyrene Foam Ball, One Piece","description":"\u003cp\u003eSolid Polystyrene Balls\u003c\/p\u003e\n\u003cp\u003eThese professional-grade, solid polystyrene spheres are an essential material for architectural massing, scenic design, and structural prototyping. These spheres provide a perfectly geometric, lightweight blank. Available in a wide variety of diameters, they offer a neutral, medium-pored surface that is highly receptive to diverse finishing techniques.\u003c\/p\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eArchitectural Model Making: The definitive choice for representing spherical structural elements, urban massing, or topographical domes. The two-piece design allows architects to easily integrate internal lighting, structural supports, or mechanical components before sealing the sphere.\u003c\/li\u003e\n\u003cli\u003eExhibition \u0026amp; Display: Frequently utilised in the construction of large-scale hanging installations, point-of-sale prototypes, and decorative window displays. The hollow interior significantly reduces the mass of the final assembly, allowing for easy suspension.\u003c\/li\u003e\n\u003cli\u003eFilm \u0026amp; TV Prop Making: A staple for building lightweight \"hero\" props, futuristic technology mock-ups, and scenic background elements. The polystyrene surface can be easily primed, sanded, and textured to simulate a wide range of materials from cast concrete to high-tech metallic finishes.\u003c\/li\u003e\n\u003cli\u003ePrototyping \u0026amp; Industrial Design: Ideal for early-stage volumetric studies and ergonomic mock-ups. The spheres can be easily modified to test intersections, openings, and structural joinery using standard workshop tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Medium-pored Polystyrene (Expandable Polystyrene - EPS)\u003c\/li\u003e\n\u003cli\u003eStructure: One-piece construction\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Raw\/Untreated\u003c\/li\u003e\n\u003cli\u003eDiameter: 35mm - 120mm\u003c\/li\u003e\n\u003cli\u003eProperties: Extremely lightweight, buoyent, non-conductive, recyclable\u003c\/li\u003e\n\u003cli\u003eApply Foamcoat for a tough, durable finish that can be sanded, smoothed or carved\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4D","offers":[{"title":"10 pcs \/ 35mm","offer_id":45416263221302,"sku":"4DXSB91036","price":2.6,"currency_code":"GBP","in_stock":true},{"title":"10 pcs \/ 100mm","offer_id":44202751098934,"sku":"4DXSB91105","price":10.7,"currency_code":"GBP","in_stock":true},{"title":"50 pcs \/ 120mm","offer_id":44202751197238,"sku":"4DXSB91126","price":1.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4992\/8246\/files\/4DXSB91036-1.jpg?v=1777461584"},{"product_id":"ray-polystyrene-foam-ball","title":"Polystyrene Foam Ball, Two Piece, Hollow, with Rabbet","description":"\u003cp\u003ePolystyrene Foam Spheres - Hollow with Rabbet\u003c\/p\u003e\n\u003cp\u003eThese high-density, medium-pored polystyrene spheres are an essential foundational material for structural and creative projects. Engineered for lightweight stability and ease of modification, they provide a uniform, spherical base for everything from architectural massing to complex film props. Available in a wide range of diameters, these balls are selected by professionals for their consistent surface quality and structural integrity.\u003c\/p\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eArchitectural Model Making: Ideal for representing spherical structural elements, landscaping features, or abstract massing studies. Larger spheres can be utilised to create terrain contours or topographical focal points in large-scale site models.\u003c\/li\u003e\n\u003cli\u003eFilm \u0026amp; TV Scenic Arts: A versatile \"blank canvas\" for prop making. These spheres are frequently used as the internal core for planets, oversized futuristic orbstacles, or organic sculptural elements. Their lightweight nature makes them perfect for overhead suspended rigs where weight distribution is a safety concern.\u003c\/li\u003e\n\u003cli\u003ePrototyping \u0026amp; Product Design: Useful for ergonomic hand-held studies or testing spherical mechanical clearances in early-stage product development. The foam can be easily hollowed or sanded to refine specific geometries.\u003c\/li\u003e\n\u003cli\u003eExhibition \u0026amp; Display: Provides a high-impact, low-weight solution for window displays and gallery installations. The surface can be coated or laminated to achieve a professional high-gloss or textured finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEase of Modification: The medium-pored structure allows for clean cutting using a professional hot-wire cutter or a sharp scalpel. It can be sanded smoothly to eliminate the slight texture of the expanded beads.\u003c\/li\u003e\n\u003cli\u003eChemical Compatibility: These spheres are designed to be used with polystyrene-compatible adhesives (such as UHU Por) and water-based paints. Note: Avoid solvent-based adhesives and aerosols which may dissolve the foam.\u003c\/li\u003e\n\u003cli\u003eStructural Variety: 150mm upwards are available as two-piece hollow variants with a secure rabbet joint, making them ideal for internal electronics or lighter weight requirements.\u003c\/li\u003e\n\u003cli\u003eSurface Preparation: The surface is highly receptive to being plastered, coated in resin (epoxy-based), or covered in papier-mch and fabric for diverse textural finishes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Expanded Polystyrene (EPS), Medium-pored\u003c\/li\u003e\n\u003cli\u003eStructure: Two-Piece Hollow\u003c\/li\u003e\n\u003cli\u003eDiameters: 150-500mm\u003c\/li\u003e\n\u003cli\u003eColour: Standard White\u003c\/li\u003e\n\u003cli\u003eWorkability: Compatible with hot-wire cutters and polystyrene-safe glues\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"4D","offers":[{"title":"150 x 20mm \/ 1 pc","offer_id":44868000088118,"sku":"RAY3300700","price":2.99,"currency_code":"GBP","in_stock":true},{"title":"300 x 21mm \/ 1 pc","offer_id":44868000120886,"sku":"RAY3306100","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"500 x 19mm \/ 1 pc","offer_id":44868000153654,"sku":"RAY3306400","price":36.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4992\/8246\/files\/RAY3300700-1.jpg?v=1777461596"}],"url":"https:\/\/4d.shop\/collections\/materials-foam-polystyrene-foam.oembed","provider":"4D.Shop","version":"1.0","type":"link"}