Alvin portable drawing boards for drafting and table tops. We offer a variety of Alvin professional-quality drawing boards, table tops, and drafting boards. Choose from tilt-angle white boards, solid-core wood and white drawing boards, and our popular PXB parallel straightedge boards. All drawing boards are available in a variety of sizes to meet your specific job or budget. Sketch boards are perfect for drafting. design, architecture, drawing, engineering, arts/crafts, and more.