12 Basswood Sheets for Crafts 12x18x1/8 Inch Click HERE for more information! 12PCS basswood plywood 12"(L)x18"(W)x1/8"(H)/300x450x3mm,light wood production,100% environmentally friendly. Basswood sheets can meet your different DIY projects needs such as architectural models, house number plate, welcome sign,etc.