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3/8" foam core board Archives - Make: DIY Projects and Ideas for Makers
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https://www.uline.com/Product/Detail/S-12861/Foam-Board/48-x-96-Black-Foamboard
Foam Core Board - 48 x 96" , Black, 3/16" thick S-12861 - ULINE
Mount pictures, posters or presentations. Stiff 3/16" thick foam board. Lightweight, yet strong. Cuts easily. Smooth surface resists warping. ULINE offers over...
foam core board