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