Cad 02 drawing

Drawing

Paul Rudolf

Learning Objectives ●

Interacting with CAD software ●

Through GUI

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Through CLI

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Navigating through the model

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Drawing with precision

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Selecting elements in order to perform actions

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Modifying elements

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Performing repetitive tasks with appropriate tools Drawing with CAD

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Command Line vs GUI

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Navigation: Zooming and panning

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Drawing 2D: ●

3D:

Geometric entities:

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Geometric entities

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Lines / poly lines

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3D Polyline

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Circles

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Regions

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Arcs

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Rectangles

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Polygons

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...

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Surfaces ●

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Drawing with CAD

3D Faces

Solids

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Precision

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Coordinates system Cartesian coordinates

Polar coordinates

Format:

Format:

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2D: x,y

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2D: radius < angle XY

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3D: x,y,z

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Cylindrical: r < angle XY, Z-coordinate

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Spherical: r < angle XY < angle YZ

* If not set, z = 0

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Coordinates system II Absolute coordinates Relative coordinates Relative to drawing's origin coordinates (absolute 0,0,0) ●

Cartesian: 10,45

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Polar: 10<45

Relative to the previous point ●

Cartesian: @10,45

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Polar: @10<45

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Drawing with precision: helpers ●

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Objects' references (Osnap) ●

Endpoint

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Midpoint

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Perpendicular

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Center

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…

Orthogonal mode (Ortho) Polar tracking Drawing with CAD

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Modification Modification commands: ●

Move

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Trim

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Rotate

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Extend

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Mirror

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Chamfer

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Offset

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Fillet

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Stretch

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Erase

Note: In order to modify something we'll need to select it (either after or before the command) Drawing with CAD

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Selecting

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Tasks for next week ●

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Start Assignment 2: CAD ●

Form a group

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Choose a building to draw (from the provided list)

Draw the building's walls ●

Exterior walls (Perimeter)

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Interior walls

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Layers

Drawing with CAD - 13 Source: http://gardenista.com

Layers = legibility & control

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Layers

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Patterns / Hatches

Drawing with CAD - 16

Source: http://boscohurtado.blogspot.com.es

Hatch

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Task ●

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Apply hatches in your drawing ●

Special pavements (kitchen, bathroom, garden, wooden floor...)

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Walls' width

Create a set of layers that you will be using in from now on. Give them properties: ●

Representative name

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Colour

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Line weight

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...

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Repetitive work

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Editing: Repetitive work ●

Copy (move) ●

Multiple copy

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Offset

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Mirror

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Arrays

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Blocks

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Task ●

Create and use blocks for all repetitive elements ●

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Doors, Windows, furniture, trees...

Review your building looking for repetitive patterns ●

Could we save time with symmetries, copies...?

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