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Open Cell (Upholstery) Foam. Thicker, less dense than craft foam Soft, compressable Cut using scissors, craft knife, or kitchen knife depending on thickness. Open Cell (Upholstery) Foam. Seal the foam – very difficult to paint directly on upholstery foam White glue not a good option
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Open Cell (Upholstery) Foam • Thicker, less dense than craft foam • Soft, compressable • Cut using scissors, craft knife, or kitchen knife depending on thickness
Open Cell (Upholstery) Foam • Seal the foam – very difficult to paint directly on upholstery foam • White glue not a good option • “Flexbond” adhesive (multiple layers for a smoother finish) • “Super 77” spray glue for a rougher finish • Also the best option for gluing pieces together • Stays tacky – needs another layer before painting
Insulation and Styrofoam • Better for props than worn pieces • “Hard” foam – doesn’t have give like craft or upholstery foams • Easy to carve into shape with a sharp knife • Specialized cutters available
Insulation and Styrofoam • Use cardboard, dowel, or pipe for internal strength • To avoid chipping and scuffs apply paper mache layer to seal the foam before painting • Be very careful when gluing or painting; many spray-on products and adhesives will melt the foam • Always test first – OUTDOORS!
Expanding Foam • Designed to expand to fill cracks • Can be used to build up volume on a prop then carved down into the desired shape
Expanding Foam • Pattern: make a cross-section shape of the prop out of cardboard • Remember to include a dowel for strength if piece is long or delicate • Cover the pattern area with expanding foam and allow to dry (~1 day) • Flip and do the other side • Using the cardboard shape as a guide, carve down the foam with a sharp craft knife • To seal, add a layer of paper mache or similar before painting
Other ideas… • Crayola “Model Magic”
Other ideas… • Pool noodles and pipe insulation
Other ideas… • Pool noodles and pipe insulation
Thanks…. Photos used courtesy of: • Mai Sheri www.maishericostumes.com • Kudrel kudrel-cosplay.deviantart.com • Featherweight www.featherweightcreations.com • ShuShuWafflez shushuwafflez.deviantart.com • VickyBunnyAngel vickybunnyangel.deviantart.com • Filougon filougon.deviantart.com • Pan PANattheDisco.deviantart.com • Yavarice cosplay.com/member/115091 • Cole cosplay.com/member/8322 Jennifer “Mai Sheri” Wynne 2012 For The Rusty Gear