Geometric Construction and Primitive Forms in Engineering Drawing
"Explore the concepts of geometric construction, primitive forms like points, lines, planes, and solids, and how they form the basis for more complex geometric shapes in engineering drawing lectures. Learn about defining object positions in space, 2D geometric primitives, and the theoretical aspects of points and lines. Enhance your understanding of fundamental geometric principles for technical drawings."
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Presentation Transcript
Engineering Drawing Lecture 3 and 4 Geometric Construction
Geometric Construction Construction of primitive geometric forms (points, lines and planes etc.) that serve as the building blocks for more complicated geometric shapes. Defining the position of the object in space Primitive geometric forms Point Line Plane Solid etc
solids solids
The basic 2-D geometric primitives, from which other more complex geometric forms are derived. Points, Lines, Circles, and Arcs.
point A theoretical location that has neither width, height, nor depth. Describes exact location in space. A point is represented in technical drawing as a small cross made of dashes that are approximately 3 mm long
Line Line A geometric primitive that has length and direction, but no thickness. It may be straight, curved or a combination of these. Lines also have important relationship or conditions, such as parallel, intersecting, and tangent. Lines specific length and non-specific length Ray Straight line that extends to infinity from a specified point
Geometrical Figures types of angles Geometrical Figures types of angles
Triangles Triangles
