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4.500 Introduction to Design Computing
Fall 2008
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ANDREA PALLADIO
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
X1
X2
X1
The first book contained the rules
Second Book contained drawings of the villas
4.500 – MIT
Prof. Larry Sass
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DESIGN DRAWINGS Plan
Elevation
Reference Marks for
section cuts
Scale Notation
Varying Line weights
Section
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Details
2
Wall or Column
notations
Dimension Note
Materials
Notification
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STRUCTURING DOCUMENTS
References
Borders and Title
Blocks
Symbols
Main Drawing
Notes and Titles
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LINES AND VECTORS
CAD SYSTEMS
Lines
Coordinate Systems
Transformations
Operations
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POINTS, LINES AND MANIPULATION
Geometric Entities
Lines are based on the Coordinates not the scale
Radius
(x3.5, y4)
(x, y)
(x1,y1)
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k
POINTS, LINES AND MANIPULATION
(x0,y0)
(x1,y2000)
(k = ?’)
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COORDINATE SYSTEMS
Grid System
Lines Can Snap to Modules
Lines Can Snap to Orthogonal Axes
Lines Can Snap to Objects
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COORDINATE SYSTEMS
Points on Lines
Nearest
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Endpoint
Midpoint
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COORDINATE SYSTEMS
Points on Lines
Equal Divisions
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Intersections
Perpendicular
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COORDINATE SYSTEMS
Points on Lines
Center Point
Quadrant
Tangent
(to last point)
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LINE TYPES
Straight
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Arcs
Splines
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LINE SEGMENTS
Three Segment
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Nine Segments
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LINE OPERATIONS
L1
L2
L1
Break Operation
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Extend Operation
Trim Operation
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GEOMETRIC CONSTRUCTS
Offsets
Polar
a
X & Y
Parallel
a
Offsets
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Arrays
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TRANSFORMATIONS
Grab Point
Rotation Point
Move
Rotate
Grab Point
Grab Point
z
z
Base Point
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Scale
Base Point Mirror 16
PRE-DEFINED OBJECTS
Doors
Bathroom
Furniture
Chairs & Tables
Office Furniture
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