Description
I NEDD HELP WITH THESE 3 ASSIGNMNETS
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AutoCAD Basics
Emphasis: Object Snaps, Plotting, and Drawing Projects
Chapter 4: Part 4
• Describe the AutoCAD interface and screen layout.
• Add toolbars and menus to the AutoCAD interface.
• Create, open, and save AutoCAD drawing files.
• Explain the coordinate system used to create AutoCAD drawings.
**Demonstrate how lines are drawn with AutoCAD using absolute, relative, and polar
coordinates along with the direct entry method.
**Set the units, limits, layers, linetypes, and lineweights for an AutoCAD drawing.
• Create and edit AutoCAD drawings using AutoCAD’s Draw and Modify commands.
• Employ Object Snap tools to facilitate accurate construction of AutoCAD drawings.
• Use the Properties tool to inquire about, or to change the properties of, an entity.
• Add text to a drawing and manage the text’s height, font, and justifications settings.
• Create a new text style and edit text on a drawing.
• Create a floor plan for a small cottage.
• Create multiview drawings of machine parts.
• Plot AutoCAD drawings.
Week of 3/18/2024 – 3/24/2024: Part I
O-SNAP
(includes video instruction)
Week of 3/18/2024 – 3/24/2024: Part I
Object Snap Commands
For additional help, review the following videos
(attached to this week’s folder) on object snaps
1. O-snaps
2. Common O-snaps
3. Temporary O-snaps
Figure Description: Object Snap Tab and Toolbar
Object Snap Toolbar
LINE – Endpoint to Center
Figure 4.98 Drawing a Line from Endpoint to Center Point
Object Snap Toolbar
LINE – Midpoint to Quadrant
Figure 4.99 Drawing a Line from Midpoint to Quadrant
Figure 4.98 Steps in Drawing a Line from a Midpoint to a Quadrant
Object Snap Toolbar
LINE – Intersection to Perpendicular
Figure 4.100 Drawing a Line from an Intersection that is Perpendicular to another Line
Object Snap Toolbar
LINE – Endpoint to Tangent
Figure 4.101 Drawing a Line from Endpoint Tangent to a Circle
Object Snap Toolbar
Snap to Parallel
Figure 4.102 Drawing a Line Parallel to another Line Using Parallel Osnap
Object Snap Toolbar
Extension – Defining the Center of a Circle in Line with a Line
Figure 4.103 Defining Center of a Circle using Extension Osnap
Object Snap Toolbar
Temporary Track Point – Projecting Information through a Miter Line
Figure 4.104 Temporary Track Point through a Miter Line
Note:
Polar Tracking, Osnap,
and Osnap Tracking
should be turned on when
tracking a point through a
miter line as shown here.
Object Snap Toolbar
Snap From
Figure 4.105 Snap From Point Osnap to locate the Start Point of a Line
4. Type @0, 1.162
and press enter.
Object Snap Toolbar
Snap To Insert
Figure 4.106 Drawing a Line from Insertion Point of a Block Using Snap to Insert Osnap
Object Snap Toolbar
Snap To Nearest and Snap to Node
Figure 4.107 Drawing Lines Using Snap to Nearest and Snap to Node Osnaps
Figure 4.106 Drawing Lines using the Snap to Nearest and Snap to Node Options
Part1 Assignment(s):
Submit separately
(Each exercise counts as a separate assignment)
Week of 3/18/2024 – 3/24/2024
CAD Exercise 2-a (Also found in Smith, Ramirez, Congdon-Fuller Textbook pages 204-205)
Directions
1. Begin a new AutoCAD drawing (default to the acad.dwt template).
2. Set the upper right limit to 22,17 and the grid spacing to 1.00. Make the following layers: Visible, Hidden, and Center. Assign a color to each layer
and set the Hidden layer’s linetype to Hidden and the Center layer’s linetype to Center.
3. Set running Osnaps for Endpoint, Quadrant, Tangent, Perpendicular, and Intersection.
4. Draw the front, top, and right-side views of the object shown in Figure 4.107(a) in your text. Begin the views at the absolute coordinates shown in
Figure 4.108(a). Count the grids to determine the size of the object’s features.
5. Save the drawing as Figure 4.108(a).
6. Repeat the preceding directions and draw the front, top, and right-side views of the objects shown in Figures 4.108(b) and 4.108(c) in your text.
Save the drawings as Figure 4.108(b) and Figure 4.108(c), respectively.
CAD Exercise 2-b
Directions
1. Begin a new AutoCAD drawing (default to the acad.dwt template).
2. Set the upper right limit to 22,17 and the grid spacing to 1.00. Make the following layers: Visible, Hidden, and Center. Assign a color to each layer and
set the Hidden layer’s linetype to Hidden and the Center layer’s linetype to Center.
3. Set running Osnaps for Endpoint, Quadrant, Tangent, Perpendicular, and Intersection.
4. Draw the front, top, and right-side views of the object shown in Figure 4.107(a) in your text. Begin the views at the absolute coordinates shown in
Figure 4.108(a). Count the grids to determine the size of the object’s features.
5. Save the drawing as Figure 4.108(a).
6. Repeat the preceding directions and draw the front, top, and right-side views of the objects shown in Figures 4.108(b) and 4.108(c) in your text. Save
the drawings as Figure 4.108(b) and Figure 4.108(c), respectively.
CAD Exercise 2-c
Directions
1. Begin a new AutoCAD drawing (default to the acad.dwt template).
2. Set the upper right limit to 22,17 and the grid spacing to 1.00. Make the following layers: Visible, Hidden, and Center. Assign a
color to each layer and set the Hidden layer’s linetype to Hidden and the Center layer’s linetype to Center.
3. Set running Osnaps for Endpoint, Quadrant, Tangent, Perpendicular, and Intersection.
4. Draw the front, top, and right-side views of the object shown in Figure 4.107(a) in your text. Begin the views at the absolute
coordinates shown in Figure 4.108(a). Count the grids to determine the size of the object’s features.
5. Save the drawing as Figure 4.108(a).
6. Repeat the preceding directions and draw the front, top, and right-side views of the objects shown in Figures 4.108(b) and 4.108(c)
in your text. Save the drawings as Figure 4.108(b) and Figure 4.108(c), respectively.
Part II: Plotting in AutoCAD
Week of 3/18/2024 – 3/24/2024
Preparing to Plot(1)
In the lower left corner of the AutoCAD screen, there are three default tabs:
Model, Layout1, and Layout2
To view a Layout, left click on the tab named Layout1 at the bottom
left of the screen. Once this tab is opened, you will see a visual
representation of the final sheet to be plotted (see figure below).
Figure 1: Layout Tabs
Preparing to Plot (2)
After clicking on the Layout tab, you will see a white
rectangle against a grey background that represents the
sheet to be plotted. AutoCAD’s default Layout is set up to
print an A sized sheet of paper (8.5”x11”).
In Figure 4.1 (on the right), the rectangle with dashed
lines represents the print margins. The size of the
rectangle represented by the dashed line may change as
different printers are assigned because printers have
varying print margin capabilities. Anything drawn
outside of the dashed line will not plot.
NOTE:
While AutoCAD provides two Layout tabs by default,
more can be added as needed.
To add a new layout, simply left click on the + sign to
the right of the tab named Layout2. AutoCAD will allow
up to 256 layouts.
Figure 1: Layout Tab Activated
Layouts and Viewpoints (1)
The rectangle shown by a solid line in Figure 4.113 is called a Viewport. A Viewport is like a window into where
you have originally drawn your views. The area where your views reside is called Model Space. (Note: By
clicking on the Model tab in the lower left corner, you will return to Model Space.) Just as a window in a door
allows you to view what’s inside a room, the viewport you see is actually just window-like rectangle that
allows you to see into Model Space. The scale of the objects visible inside the Viewport can be adjusted by left
clicking on the rectangle representing the Viewport and selecting a new scale from the list on the status bar.
(See Figure 4.115).
NOTE:
Any closed object, such as a rectangle or
circle, can be converted to a viewport. It
is possible to have multiple viewports on
a layout and the viewports can be set to
display different scales.
4.113 Layout Tab Activated
When a layout tab is activated, you
are working in an area that is called
Paper Space (versus Model Space
where you drew your views). Paper
Space is where you will place entities
that should not be affected by the
viewport scale. Entities commonly
placed in Paper Space include:
Borders, Title Blocks, Notes, Parts
Lists and Schedules. The rectangle
representing the Viewport is located
in paper space.
Toggling Between Paper Space and Model Space
To edit the views, you need to be in Model Space, but to edit objects like the Title Block, you need to be in Paper
Space.
AutoCAD allows drafters several ways to toggle between Paper Space and Model Space. For instance, when in a
Layout, model space can be accessed by either double clicking inside the Viewport, by clicking on the “Paper”
button on the status bar at the bottom of the screen (thus changing the it to read Model, letting you know that
you’re now in Model Space), or by left clicking on the Model tab, which exits the Layout completely.
To enter Paper Space when you are working inside the viewport, you can double click outside of the viewport, or
click on the “Model” button on the status bar (thus changing it to read Paper, letting you know that you’re now in
Paper Space.)
STEPS IN SETTING UP A LAYOUT
Follow the steps below to create a layout and set the Viewport scale once you’ve completed your drawing.
Step 1.
Select the Layout1 tab in the lower left corner of your screen, as shown in Figure 4.114.
Step 2.
To adjust what’s visible inside the Viewport, enter Model Space by either double clicking inside
the Viewport, or Clicking on the word PAPER in the status bar at the bottom of your screen.
Pan as needed inside the Viewport to center objects as needed. (Note: Once you’re in Model
Space, your Viewport will be bold and you will now see the word MODEL instead of PAPER in
the status bar.
4.113 Pa
4.114 Layout Tabs
Step 3. Adjust your Viewport Scale by clicking on the down arrow next
to the current Viewport scale in the status bar at the bottom right of your
screen, as shown in Figure 4.115. You will see a list of possible scales to choose
from, as shown in Figure 4.115. Choose the desired scale to make your objects
fit on your page (pan again to center the drawing on the page as desired).
(Note: With the Viewport selected, you can drag the grips on the
corners of the Viewport to enlarge or shrink it as needed.)
4.115 Viewport Scale
Step 4: Once your Viewport scale is set, enter Paper Space by either double clicking outside the Viewport,
or clicking on the word MODEL in the status bar at the bottom of your screen.
Step 5. Lock the Viewport by clicking the image of the pad lock icon to the left of the new Viewport scale
(see Figure 4.115). This will lock in your drawing at the desired scale.
Step 6: Edit the Title Block, Parts List, Drawing Notes and any other Paper Space objects, as needed.
PLOTTING WITH AUTOCAD
Left click on the Output tab of the ribbon and from the Plot
panel select the PLOT icon (see Figure 4.116, to the left). This
opens the Plot dialog box shown below in Figure 4.117.
the list of available plot styles (see Figure 4.117). When you select the down arrow in the Plot
style table window and pick New from the list, you are led through the prompts to define a
new, custom plot style.
• Select the paper size. Pick the down arrow in the Paper size window and select from the list
of available paper sizes.
• Define the plot area. Pick the down arrow in the What to plot window and select from the
list of available choices. Display prints the image currently visible in the drawing window,
Extents prints to the extents of all entities placed in the drawing, Window prints a window
defined by you, Limits prints the area defined by the Limits of the drawing, and Layout
prints the page setup associated with a paper space tab (see Figure 4.117).
4.117 Plot Dialog Box
• Define the plot scale. Pick the down arrow in the Scale window and select from the list of
plot scales, or select Custom and define a new plot scale, or check the Fit to paper box (see
Figure 4.117).
4.16 PLOTTING WITH AUTOCAD
1
The options in the Plot dialog box allow you to do the following (see Figure 4.117):
• Select the name of the printer/plotter where you want to send the plot. Pick the down arrow
in the Printer/plotter window and select from the list of available printers and/or plotters
(see Figure 4.117).
• Change the Plot style table. By changing the Plot style table settings, you can plot entities in
a different color, lineweight, and linetype than what they appear in the drawing window. For
example, entities that appear in color in the drawing window can be plotted in black by
picking the down arrow in the Plot style table window and selecting monochrome.ctb from
the list of available plot styles (see Figure 4.117). When you select the down arrow in the Plot
style table window and pick New from the list, you are led through the prompts to define a
new, custom plot style.
• Select the paper size. Pick the down arrow in the Paper size window and select from the list
of available paper sizes.
• Define the plot area. Pick the down arrow in the What to plot window and select from the
list of available choices. Display prints the image currently visible in the drawing window,
4.117 Plot Dialog Box
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