MIT OpenCourseWare http://ocw.mit.edu 4.500 Introduction to Design Computing Fall 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms.ANDREA PALLADIO X1 X2 X1 Palladio was a stone mason Palladio Designed over 30 villas throughout the Veneto only 19 were built 1535 - 1570 Drawings in the Four Books were written after the buildings were constructed The first book contained the rules Second Book contained drawings of the villas 4.500 – MIT Prof. Larry Sass 1DESIGN DRAWINGS Reference Marks for Plan Elevation section cuts Scale Notation Varying Line weights Section Details 24.500 – MIT Prof. Larry SassWall or Column notations Dimension Note Materials Notification 4.500 – MIT Prof. Larry Sass 3STRUCTURING DOCUMENTS References Borders and Title Blocks Symbols Main Drawing Notes and Titles 4.500 – MIT Prof. Larry Sass 4LINES AND VECTORS CAD SYSTEMS Lines Coordinate Systems Transformations Operations 4.500 – MIT Prof. Larry Sass 5POINTS, LINES AND MANIPULATION Geometric Entities Lines are based on the Coordinates not the scale (x3.5, y4) (x, y) Radius (x1,y1) 4.500 – MIT Prof. Larry Sass 6POINTS, LINES AND MANIPULATION (x0,y0) (x1,y2000) k (k = ?’) 4.500 – MIT Prof. Larry Sass 7COORDINATE SYSTEMS Grid System Lines Can Snap to Modules Lines Can Snap to Orthogonal Axes Lines Can Snap to Objects 4.500 – MIT Prof. Larry Sass 8COORDINATE SYSTEMS Points on Lines Nearest Endpoint Midpoint 4.500 – MIT Prof. Larry Sass 9COORDINATE SYSTEMS Points on Lines Equal Divisions Intersections Perpendicular 4.500 – MIT Prof. Larry Sass 10COORDINATE SYSTEMS Points on Lines Center Point Quadrant Tangent (to last point) 4.500 – MIT Prof. Larry Sass 11LINE TYPES SplinesStraight Arcs 4.500 – MIT Prof. Larry Sass 12LINE SEGMENTS Three Segment Nine Segments 4.500 – MIT Prof. Larry Sass 13LINE OPERATIONS L1 L2 L1 Break Operation Extend Operation Trim Operation 4.500 – MIT Prof. Larry Sass 14GEOMETRIC CONSTRUCTS Offsets Polar a X & Y Parallel a Offsets Arrays 4.500 – MIT Prof. Larry Sass 15TRANSFORMATIONS Grab Point Rotation Point Move Rotate Grab Point Grab Point z z Base Point Base Point Scale Mirror 4.500 – MIT Prof. Larry Sass 16PRE-DEFINED OBJECTS Doors Bathroom Furniture Chairs & Tables Office Furniture 4.500 – MIT Prof. Larry Sass
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