Copyright Goodheart-Willcox Co., Inc. Chapter 17 Materials in AutoCAD 449 Concrete The concrete material type works well for concrete fl oors, walls, and sidewalks. This material type can be used for anything constructed of concrete, such as an in-ground swimming pool. The Sealant property can be None, Epoxy, or Acrylic. The Finish Bumps category contains a Type property that can be Broom Straight, Broom Curved, Smooth, Polished, or Stamped/Custom. The Weathering category contains a Type property that can be Automatic or Custom-Image (based on a selected image). Glazing The glass in windows is called glazing. Therefore, the glazing material type is designed mostly for use on windows or thin glass objects. The solid glass material type is designed for thicker glass. The Color property can be Clear, Green, Gray, Blue, Blue-green, Bronze, or Custom. The Reflectance value determines how refl ective the material is. The Sheets of Glass property simulates the effect of multiple panes of glass. Masonry Masonry includes brick walls, cobblestone, tile fl ooring, and so on. The masonry material type is designed for use on these objects. The Type property can be CMU (concrete masonry unit) or Masonry. The Finish property can be Glossy, Matte, or Unfinished. The Relief Pattern category contains an Image property. The image deter- mines the relief pattern. Metal The metal material type works well for mechanical parts and other objects made from different types of metals. This material type primarily is for raw, or unfi nished, metal. The Type property can be Aluminum, Anodized Aluminum, Chrome, Copper, Brass, Bronze, Stainless Steel, or Zinc. The Finish property can be Polished, Semi-polished, Satin, or Brushed. The Relief Pattern category contains a Type property that can be Knurl, Diamond Plate, Checker Plate, or Custom-Image (based on a selected image). The Cutouts category contains a Type property that can be Staggered Circles, Straight Circles, Squares, Grecian, Cloverleaf, Hexagon, or Custom. Depending on which type of metal is selected, additional properties may be available for editing. Metallic Paint The metallic paint material type is for objects made of metal, but with a fi nish applied. This includes objects like car parts, lawn furniture, and kitchen appliances. The Flecks category contains Color and Size properties. The Pearl category includes a Type property that can be Chromatic or Second Color. The Top Coat category includes a Type property that can be Car Paint, Chrome, Matte, or Custom. The Top Coat category also includes a Finish property that can be Smooth or Orange Peel. Mirror The mirror material type is designed for very refl ective objects, such as mirrors. It can also be used for water, glass, or any object that should have a high refl ectivity. The Color property determines the color of the mirror. As discussed earlier, the Tint category is also available. Plastic The plastic material type is designed for use on plastic objects. The plastic can be opaque, translucent, glossy, or textured. The Type property can be Plastic (Solid), Plastic (Transparent), or Vinyl. The Finish property can be Polished, Glossy, or Matte. The Finish Bumps category contains an Image property, as does the Relief Pattern category. The two images do not have to be the same.