Preface / Study Guide / Key Commands That Work Right at Work / Structure of This Book / How to Download Example Files / Structure of Example Files / Guide to Free YouTube Video Lectures

PART 01.
Understanding Drafting and a Look at AutoCAD 2026

CHAPTER 01.
The beginning of the system
SECTION 01.
Concept and standards of the system
01.
The concept of system
02.
System specifications
SECTION 02.
Size and scale of drawings
01.
Size of the drawing
02.
Scale of the drawing
SECTION 03.
Types and uses of lines, characters and dimensions
01.
Types and uses of lines
02.
Writing text
03.
Enter dimensions

CHAPTER 02.
AutoCAD 2026 for drawing work
SECTION 01.
What is AutoCAD?
01.
Purpose of using AutoCAD
02.
Scope of Application of AutoCAD
03.
Compatibility of AutoCAD with other programs
SECTION 02.
AutoCAD 2026 Recommended Specifications and Installation Instructions
01.
Recommended computer specifications for installing AutoCAD 2026
02.
Equipment required to use AutoCAD 2026
03.
Install the AutoCAD 2026 free trial
04.
Running AutoCAD 2026
SECTION 03.
A look at the AutoCAD 2026 user interface
01.
Task screen interface
SECTION 04.
Commanding in AutoCAD
01.
Enter a command
02.
Execute a command
03.
Using function keys
[Company Communication Practical Use] Changing the Color of the Work Area
SECTION 05.
More Convenient Features of AutoCAD 2026
01.
What's New in AutoCAD 2026

PART 02.
Learning the basics of drawing

CHAPTER 01.
Basic commands for working with 2D drawings
SECTION 01.
Create, load, and save new drawings
01.
Create a new drawing
02.
Import drawings
03.
Save the drawing

CHAPTER 02.
Understanding the Basics of Working with 2D Drawings
SECTION 01.
Understanding Coordinate Systems
01.
Absolute coordinates
02.
Relative coordinates
03.
Polar coordinates
SECTION 02.
Drawing lines with a coordinate system
01.
Drawing a rectangle in absolute coordinates
02.
Drawing a rectangle in relative coordinates
03.
Drawing a rectangle in polar coordinates
04.
Draw a rectangle by moving the mouse
[Company Communication Practical Application] Drawing Square Chairs and Complex Lines with the Line Command
SECTION 03.
Undo to cancel a command, Redo to reverse a command
01.
Undo a command with the Undo command
02.
Reverting a command canceled with the Redo command
SECTION 04.
Erase
01.
Erase part of an object with the Erase command
02.
Erase entire objects at once with the Erase command
SECTION 05.
Limits specify the scope of drawing work
01.
Specifying the area to draw using the Limits command
02.
Turn Limits On/Off
[Company Communication Practical Application] Applying Plot to Print

CHAPTER 03.
Drawing circles and arcs for 2D drawings
SECTION 01.
Circle
01.
Draw a circle by entering a radius and diameter
02.
Draw a circle passing through three points with the 3P option
03.
Draw a circle with two points as diameter using the 2P option
04.
Drawing a circle using tangent and radius with the Ttr option
SECTION 02.
Arc that draws an arc that is curved like a bow
01.
Draw an arc by specifying three points with the 3P option
02.
Draw an arc using the S, E, and R options using a start point, end point, and radius.

CHAPTER 04.
Select objects conveniently with object snaps
SECTION 01.
Selecting objects
01.
A variety of options to suit your drawing situation
02.
Change the preview effect
03.
Change the size and color of the grip
04.
Selecting objects one by one with the Pick Box
05.
Selecting multiple objects at once with Window options
06.
Select multiple objects at once with the Crossing option
07.
Deselecting objects with the Remove option
SECTION 02.
Object snaps to precisely specify the desired point
01.
What is Object Snap?
02.
Endpoint that specifies the endpoint
03.
Midpoint, which specifies the midpoint
04.
Center to specify the center
05.
Geometric Center, which specifies the geometric center
06.
Node that specifies a point
07.
Quadrant that specifies four quarters
08.
Intersection, which specifies the intersection point
09.
Extension that specifies the extension line
10.
Insertion, which specifies the insertion point
11.
Perpendicular, which specifies the orthogonal point
12.
Tangent, which specifies the point of contact
13.
Nearest, which specifies the nearest point
14.
Apparent Intersection, which specifies a virtual intersection
15.
Parallel
[Company Communication Practical Application] Drawing Furniture Drawings Using Object Snap Mode
[Company Communication Practical Use] How to Use Template Files 100 Times More

CHAPTER 05.
Learn various screen adjustment commands
SECTION 01.
Zoom to adjust your work screen to your liking
01.
Extents, which shows the maximum extent of an object
02.
Window that specifies the zoom area
03.
Previous showing the previous step magnification
04.
Other Zoom options
SECTION 02.
Pan to pull drawings that are not visible on the screen
01.
Moving the screen with the Pan command
02.
Executing the Pan command with the mouse wheel

PART 03.
A variety of 2D editing commands for detailed drawing work

CHAPTER 01.
Move, copy, and resize objects
SECTION 01.
Move to move an object to the desired coordinates
01.
Move using object snap
02.
Move by entering coordinates
[Company Communication Practical Use] Reselecting Objects with the Previous Option
SECTION 02.
Copy that draws the same shape
01.
Continuous copying using the same reference point
02.
Copy by entering coordinates
SECTION 03.
Scale to adjust to an appropriate size
01.
Scale objects down using the Scale command
02.
Enlarging an object with the Scale command
03.
Scale accurately to decimal places with the reference option of the Scale command.
[Company Communication Practical Application] Using the Scale Command's Reference Option When You Don't Know the Current Length
[Practical Use of Company Communication] Drawing Hospital Elevations Using Move, Copy, and Scale Commands

CHAPTER 02.
Quickly draw and edit complex drawings
SECTION 01.
Offset to copy at regular intervals
01.
Copying with offset using the Offset command
SECTION 02.
Trim to cut off unnecessary parts
01.
Trimming stair lines with the Trim command
02.
Trimming window frames without specifying a border using the Trim command
03.
Cut multiple lines at once with the Fence option
[Company Communication Practical Application] Drawing Exterior Wall Lines on Apartment Floor Plans Using Offset and Trim Commands

CHAPTER 03.
Extend, stretch, or shrink objects
SECTION 01.
Extend connecting objects to their boundaries
01.
Extending a stair line with the Extend command
02.
Extending multiple lines with the Fence option
SECTION 02.
Stretch to increase or decrease the size of an object
01.
Stretching and shrinking objects using the Crossing selection method
[Company Communication Practical Application] Implementing the Stretch Command with Grip
[Company Communication Practical Application] Drawing Furniture Side Views with the Extend Command
[Company Communication Practical Use] Changing the Kitchen Size with the Stretch Command

CHAPTER 04.
Rotate to rotate the object, Mirror to reflect it
SECTION 01.
Rotate to fit the direction
01.
Rotate counterclockwise or clockwise with the Rotate command
02.
Copying an object while rotating it
SECTION 02.
Mirror that reflects like a mirror
01.
Copying the original object with the Mirror command
[Company Communication Practical Application] Completing a Commercial Floor Plan with the Rotate and Mirror Commands

CHAPTER 05.
Organizing angular objects
SECTION 01.
Fillet to round the corners
01.
Rounding sharp corners with the Fillet command
02.
Filleting a polyline with the Fillet command
[Company Communication Practical Application] Using the Fillet Command to Organize Building Wall Lines
SECTION 02.
Chamfer to smooth out corners
01.
Chamfering Rectangular Corners with the Chamfer Command
02.
Chamfer with Polyline option
[Company Communication Practical Application] Creating a House Front View Using the Fillet Command

CHAPTER 06.
Arrange them in a variety and consistent manner
SECTION 01.
Rectangle to draw a rectangle
01.
Draw a rectangle in relative coordinates at once
02.
Draw a rectangle with chamfered corners using the Chamfer option
03.
Draw a rectangle with rounded corners using the Fillet option
SECTION 02.
Drawing Polygons, Ellipses, and Multipoints - Polygon, Ellipse, Point
01.
Drawing polygons with the Polygon command
02.
Drawing an ellipse with the Ellipse command
03.
Pointing with the Point command
SECTION 03.
Array sorted at regular intervals
01.
Arranging rectangles with the Rectangular Array option
02.
Circular array with Polar Array option

CHAPTER 07.
Draw multiple lines as one
SECTION 01.
Pline, which ties all lines together
01.
Drawing multiple objects with the Pline command
SECTION 02.
Explode, Pedit, Group - Decompose, Connect, and Group Objects
01.
Exploding polylines with the Explode command
02.
Reconnecting line objects with the Pedit command
03.
Grouping objects with the Group command
[Practical Use of Company Communication] Grouping and Decomposing Building Wall Lines into a Single Object

CHAPTER 08.
Explore a variety of line drawing and useful editing commands.
SECTION 01.
Drawing free curves, rays, construction lines, multilines, and spirals - Spline, Ray, Xline, Mline, Helix
01.
Drawing free curves with the Spline command
02.
Drawing rays with the Ray command
03.
Drawing construction lines with the Xline command
04.
Drawing multiple lines with the Mline command
05.
Drawing a spiral with the Helix command
SECTION 02.
Align, Lengthen, Break
01.
Aligning objects with the Align command
02.
Lengthen an object with the Lengthen command
03.
Separating objects with the Break command
[Company Communication Practical Application] Extending the Centerline of a Drawing with the Lengthen Command

PART 04.
A variety of commands to decorate your drawings beautifully

CHAPTER 01.
Enter and edit text and draw tables
SECTION 01.
Dtext for entering characters
01.
Entering a single line of text with the Dtext command
02.
Entering multiple lines of text with the Mtext command
[Company Communication Practical Use] Specifying Text Height, Font, and Color
SECTION 02.
DDedit to fix error characters
01. Editing characters with the DDedit command
[Company Communication Practical Use] Correcting English Spelling with the Spell Command
SECTION 03.
Table that draws a table
01.
Drawing tables with the Table command

CHAPTER 02.
Expressing patterns and gradients
SECTION 01.
Hatch, drawing the same shape continuously
01.
Drawing hatches using Pick Points
02.
Drawing hatches with object selection options
[Company Communication Practical Application] Applying the MatchProp Command to Draw Hatches with the Same Pattern
SECTION 02.
Gradient that expresses changes in color
01.
Applying a gradient color using the Gradient command

CHAPTER 03.
Divide and manage complex drawing objects into layers.
SECTION 01.
Drawing layers that separate drawing components
01.
Understanding Drawing Layers
02.
How to use drawing layers
03.
Assigning properties to drawing objects
04.
Managing layers - turn on/off, lock/unlock, freeze/unfreeze
[Company Communication Practical Use] Quickly Find the Drawing Layer You Want

CHAPTER 04.
Setting up lines according to purpose
SECTION 01.
Change the shape, thickness, and color of lines
01.
Change the line shape
[Practical Use of Company Communication] Pulling out multiple lines at once
02.
Change line thickness (lineweight)
03.
Change line color
[Company Communication Practical Use] [Characteristics] Changing Object Properties at Once with the Tool Palette

CHAPTER 05.
Adjusting line spacing and character styles
SECTION 01.
Ltscale to adjust the line scale
01.
Representing the centerline of a building wall using the Ltscale command
SECTION 02.
Style that specifies the character type and font
01.
Creating a new character style with the Style command
02.
Changing the text font with the Style command
[Company Communication Practical Use] Setting Up Broken Text to Display Correctly
[Practical Use of Company Communication] Properly Expressing Walls and Doors

PART 05.
Dimension for accurate dimension notation

CHAPTER 01.
Entering various dimensions with the Dimension command
SECTION 01.
Components of dimensions
01.
Components of dimensions
02.
[Dimensions] Entering dimensions using the tool palette
SECTION 02.
Enter the appropriate dimensions for your situation
01.
Entering basic style dimensions with the DimLinear command
02.
Entering diagonal dimensions with the DimAligned command
03.
Entering an angle with the DimAngular command
04.
Entering arc length with the DimArc command
05.
Entering a radius with the DimRadius command
06.
Entering a diameter with the DimDiameter command
SECTION 03.
Entering continuous dimensions based on a single point
01.
Entering continuous dimensions with the DimBaseline command
02.
Entering continuous dimensions with the DimContinue command
03.
Entering a leader line with the Mleader command
SECTION 04.
Other various dimension input methods
01.
Entering vertical coordinates with the DimOrdinate command
02.
Entering break dimensions with the DimJogged command
03. Entering multiple dimensions at once with the QDim command

CHAPTER 02.
Specifying dimension styles
SECTION 01.
Dimension styles that make your drawings shine
01.
Easily specify dimension styles with the [Dimension Style Manager] dialog box.
[Company Communication Practical Application] Understanding System Variables Related to Dimensions
[Practical Use of Company Communication] Specifying Dimensional Outlines and Entering Dimensions

PART 06.
Learn about features for efficient drawing work

CHAPTER 01.
Repeatedly using objects
SECTION 01.
Block and WBlock for managing repetitive elements
01.
What is a block?
02.
Create and save blocks with the Block command
03. Create and save blocks with the WBlock command
SECTION 02.
Insert to retrieve saved blocks
01.
Inserting a block with the Insert Block command
SECTION 03.
Xref and Image Reference to bring in external elements
01.
Importing drawing objects with the Xref command
02.
Loading external images with the ImageAttach command

CHAPTER 02.
Organize your drawings and check details
SECTION 01.
Regen and Viewres to organize your work screen
01.
Refining sharp circles or curves with the Regen command
02.
Smoothing curves and circles with the Viewres command
SECTION 02.
List and Dist that provide information about drawing objects
01.
Finding object information with the List command
02.
Finding the distance between objects with the Dist command
SECTION 03.
Area, Calculator, and Purge are useful for practical work.
01.
Calculating the area of ​​architectural drawings using the Area command
[Company Communication Practical Application] Calculating the Area of ​​Architectural Drawings Using the Pline Command
02.
Calculate quickly with the Calculator command
03.
Reduce useless space with the Purge command

PART 07.
Working with 3D drawings in AutoCAD

CHAPTER 01.
Coordinates and observation points
SECTION 01.
Understanding the concept of 3D coordinate systems
01.
What is 3D?
02.
Difference between 2D and 3D coordinates
SECTION 02.
Vpoint, which observes the four directions: east, west, south, and north
01.
Changing the viewpoint with the Vpoint command
02.
Changing the viewpoint using the View Cube
03.
Changing the viewpoint with the Orbit command
04.
View multiple viewpoints on one screen with the Viewports command

CHAPTER 02.
Add thickness to a 2D object and check it on a 3D screen
SECTION 01.
Change specifying height and thickness
01.
Creating a furniture 3D model using the Change command
SECTION 02.
Hide to hide the silver lines, Shade to indicate the shade
01.
Hide hidden lines with the Hide command
02.
Shading with the Shade command

CHAPTER 03.
UCS for 3D drawing work
SECTION 01. WCS Coordinates and UCS Coordinates
01. What are WCS coordinates?
02. What are UCS coordinates?
03. Applying WCS and UCS coordinates

PART 08.
Surface and Solid for 3D Modeling

CHAPTER 01.
Surface to create 3D surfaces
SECTION 01.
Expressing Surfaces According to Characteristics
01.
Creating a surface with the Rulesurf command
02.
Creating a Surface with the Tabsurf Command
03.
Creating a Rotated Mesh with the Revsurf Command
04.
Converting edges to faces with the Edgesurf command
[Company Communication Practical Application] Drawing a Picnic Chair with Surface Commands

CHAPTER 02.
Creating 3D stereoscopic modeling images
SECTION 01.
Extrude to raise the wall into the desired shape
01.
Applying the Extrude command to a polyline object
SECTION 02.
Union to combine objects, Subtract to separate objects
01.
Merge solid objects with the Union command
02.
Separating Solid Objects with the Subtract Command
[Company Communication Practical Application] Expressing a Three-Dimensional Wall with the Solid Command

PART 09.
Finishing the drawing work, outputting the plot

CHAPTER 01.
Plot to fit the scale
SECTION 01.
Plot to output drawings to scale
01.
Outputting the interior floor plan using the Plot command
[Company Communication Practical Application] Outputting Multiple Observation Points of a 3D Drawing at Once
[Company Communication Practical Use] Splitting the Screen and Printing with the Mview Command

Book within a book
Creating practical mechanical drawings
Creating practical architectural drawings
Learn about the 3D stereoscopic drawing process

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What kind of readers is this book for?

- Beginner designers who are just starting out with AutoCAD
- New employees who need to learn AutoCAD quickly
- Students and working professionals entering the design field for the first time
- People who have learned AutoCAD but find it difficult to apply it to actual drawings.
- People who want to efficiently draw drawings with AutoCAD
- A person who does not need to design drawings, but must check and modify the received drawings.

Features of this book

1.
Select only the core commands essential for practical use
The key to drawing with AutoCAD lies in the use of commands.
No matter how complex a function may seem, it can be easily utilized by entering the appropriate command on the command line.
This book focuses on essential commands frequently used in practice, so studying it will help you improve your work efficiency.

2.
Step-by-step explanation of the basic design knowledge and core practical functions
This book is organized into four stages: 'Basic Drafting Knowledge - AutoCAD Basic Commands - Command Utilization and Drawing - Drawing Completion and Output' so that even those who are new to drafting and CAD programs can easily follow along.
By practicing each step step by step, you can build the fundamentals of AutoCAD and acquire practical skills that can be applied in the field.

3.
Learn from practical drawing examples that can be used directly at work.
Learn the principles and functions of AutoCAD through practical drawing examples.
You can practice how to handle drawings and how to use each command in which situation by following carefully selected field-oriented drawing examples.
As you learn practical drawings that can be used in your work right away, you will soon find yourself naturally utilizing AutoCAD's useful functions.

4.
Learn with 20 free YouTube video lectures
The author provides free video lectures on new and core AutoCAD features on his YouTube channel.
You can learn AutoCAD completely by following the video lecture curriculum composed by the author, an AutoCAD training instructor, which contains only the core content.

- Author's YouTube channel: youtube.com/@autocad2000