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4.500 Introduction to Design Computing Fall 2008

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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

1

DESIGN DRAWINGS

Reference Marks for Plan Elevation section cuts

Scale Notation

Varying Line weights

Section Details

24.500 – MIT

Prof. Larry Sass

Wall or Column notations

Dimension Note

Materials Notification

4.500 – MIT Prof. Larry Sass

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STRUCTURING DOCUMENTS

References

Borders and Title Blocks

Symbols

Main Drawing

Notes and Titles

4.500 – MIT Prof. Larry Sass

4

LINES AND VECTORS

CAD SYSTEMS

Lines

Coordinate Systems

Transformations

Operations

4.500 – MIT Prof. Larry Sass

5

POINTS, LINES AND MANIPULATION

Geometric Entities

Lines are based on the Coordinates not the scale

(x3.5, y4)

(x, y)

Rad

ius

(x1,y1)

4.500 – MIT Prof. Larry Sass

6

POINTS, LINES AND MANIPULATION

(x0,y0) (x1,y2000)

k

(k = ?’)

4.500 – MIT Prof. Larry Sass

7

COORDINATE 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

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COORDINATE SYSTEMS

Points on Lines

Nearest Endpoint Midpoint

4.500 – MIT Prof. Larry Sass

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COORDINATE SYSTEMS

Points on Lines

Equal Divisions Intersections Perpendicular

4.500 – MIT Prof. Larry Sass

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COORDINATE SYSTEMS

Points on Lines

Center Point Quadrant Tangent

(to last point)

4.500 – MIT Prof. Larry Sass

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LINE TYPES

SplinesStraight Arcs

4.500 – MIT Prof. Larry Sass

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LINE SEGMENTS

Three Segment Nine Segments

4.500 – MIT Prof. Larry Sass

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LINE OPERATIONS

L1

L2

L1

Break Operation Extend Operation Trim Operation

4.500 – MIT Prof. Larry Sass

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GEOMETRIC CONSTRUCTS

Offsets

Polar

a

X & Y Parallel

a

Offsets Arrays

4.500 – MIT Prof. Larry Sass

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TRANSFORMATIONS

Grab Point Rotation Point Move Rotate

Grab Point Grab Point

z z

Base Point Base Point Scale Mirror

4.500 – MIT Prof. Larry Sass

16

PRE-DEFINED OBJECTS

Doors

Bathroom

Furniture

Chairs & Tables

Office Furniture

4.500 – MIT Prof. Larry Sass

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