The best canvas fabric is not a single material. The right choice depends on how the canvas is constructed, how much it weighs, the character of its weave, the amount of surface texture it has, and whether it is raw, primed, or otherwise finished. Anne Marie Zimmer approaches canvas as a textile category with meaningful material differences rather than as one uniform type of cloth. Two fabrics may both be called canvas while differing substantially in thickness, flexibility, surface tooth, weave scale, finish, durability, and intended application. For that reason, choosing the best canvas begins with a more useful question:  What characteristics should the canvas have for the intended use? A lightweight, flexible canvas may be the better choice for one application, while a heavier, firmer fabric with a more pronounced surface may be better for another. Similarly, untreated canvas, primed canvas, and finished canvas should not be treated as interchangeable simply because the unde...