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
Drawing with CAD
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Navigation: Zooming and panning
Drawing with CAD
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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
Drawing with CAD
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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
Drawing with CAD
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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
Drawing with CAD
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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
Drawing with CAD
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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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... Drawing with CAD
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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...?
Drawing with CAD
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