AutoCAD Training Institute in Delhi

AutoCAD is the famous computer aided design (CAD) package in the industry today. It is an important software product which provides 2D and 3D AutoCAD tools. Now a days it is used by civil engineers, mechanical engineers, electrical engineers, architect designers, interior designers and other design professionals to design, visualize, plan, document and communicate their ideas clearly and efficiently to their perspective clients.

Our AutoCAD training courses are covered by industry expert professionals with years of hands-on experience. It means that our courses are based on real-life examples and scenarios, and have a real impact on your day-to-day workflow.

Our scheduled classroom and online training courses are delivered in our comfortable, modern training center at ADMEC Multimedia Institute New Delhi. We also offer AutoCAD courses on weekends.

Our Few Important CAD Courses:

Training Course Approach

All these courses are designed to ensure that we make student faster and more relaxed AutoCAD user. These course are also based on practical and hands on exercises. We always believe that practical skills can be improved through practicing and learning points that delivered during class.

Uses Of AutoDesk AutoCAD

AutoCAD is the most widely used software in drafting and computer-aided design (CAD) tool. It comes with different number of versions but across all of it’s versions it can be used from designing a small piece of jewelry or a small home to large buildings. It’s ability to imagine and render 2D objects and 3D objects and designs is unrivaled. Civil engineers also use this software to design bridges, roads, tunnels and other common buildings. Because this software allows the geography and topology of a site to be considered and included, as well as utilities and infrastructure. A civil engineer widely use a specific version of AutoCAD called, Civil 3D.

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Chamfer and Fillet in AutoCad

Chamfer :- It is a symmetrical sloping surface at an edge or corner. It is an angled line that meets the endpoints of two straight objects or a sloped transition between two surfaces or adjacent faces-

We can apply chamfer using command CHA + ENTER . 

There are many sub tools in chamfer these are :

  • Undo
  • Poly line
  • Angle
  • Distance

Undo :- It reverse the previous action in the command.

POLYLINE :- Inserts a chamfer line at each vertex of a 2D polyline where two straight line segments meet. The chamfer lines become new segments of the polyline, unless the Trim option is set to No Trim.

DISTANCE :- In this subtool the chamfer line is defined by two distances . It Sets the chamfer distances from the intersecting points of the first and second objects. If both distances are set to zero, the selected objects or line segments are extended or trimmed so they intersect.

ANGLE :- In this subtool the chamfer line is defined by a distance and angle . This subtool Sets the chamfer distance from the intersecting point of the selected objects and the XY angle from the first object or line segment.If both values are set to zero, the selected objects or line segments are extended or trimmed so they intersect.

FILLET :- Fillet is an arc that is created tangent between two objects. The command used for fillet is F + ENTER . fillet is used to round the corners of an object such as rectangle or triangles , it is applied by depending on many factors like on angle , area , dimensions .There are many sub tools of fillet

  • Thickness
  • Chamfer
  • Elevation
  • Area
  • Rotation
  • Fillet
  • Width
  • Dimension
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Divide and Measure Command in AutoCad

Point– Points can explain as nodes which can snap objects. We can use it by applying command as P + ENTER. We can use it to specify different’s sections of the object . Example in electrical circuits where two or more wires connects together then there we use point to highlight it

Divide:– Divide is a command to points several partitions or segments on a line by pointing with different type of point styles . We can choose it as from


Or we can use it by command as DIV + ENTER

In divide command first we apply command and then select the object that we want to divide and then we give the value of mo. of partitions or segments and then press enter . There is no need of giving the value of length on which we want to perform divide operation. We can also use blocks instead of points to divide the object in partitions .

Measure :- In measure command we can perform same operation for divide the object in partitions but the difference is that in divide command there is no need to insert the value of the length of the object on which we want to perform divide operation but in measure command we have to give the value of the length of the object on which we want to preform the divide operation . we can perform measure command from:


Or we can use command as ME + ENTER 

Learn all useful commands in AutoCad at ADMEC Multimedia Institute.

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Uses of Lenthen Command

Short Cut:-LEN+enter:

  • This command is used to extend or trim the length of a line and an object.
  • If we apply positive value it extend the value of object as mentioned and it work similar to extend.

        Ex:- (5) extend value of line by value 5.

  • If we apply negative value it trim the value of object as mentioned and work similar to trim.

        Ex :- (-5)trim value of line by value 5.

Steps to open lengthen command:

Modify (go to ->)lengthen(if short cut command not known).

It has four sub tools

  • Delta

  • Percentage

  • Total

  • Dynamic


  • Short cut command:-DE+enter

  • By this command we can extend or trim the value of an object

    Range{-x to +x}.

  • If we apply value in (+)x it will extend the line (+)x direction.

  • If we apply value in (-)x it will trim the line (-)x.

  • In this we doesn’t have to specify the point on object line. we can click anywhere on the object line and it will increase or decrease the value.

  • If point of click is before center point than above part get extend or trim as per value given.

  • If point of click is after center point than tail part get extend or trim as per value given.


  • Short cut command :- P+ enter

  • Similar to delta command.

  • It will increase or decrease the value of line as per specified value in percentage.


  • Short cut command:- T+enter

  • It will also extend and trim the value of object.

  • But in this when we apply value positive to the object and if point of click is before center than we get mentioned value before center and if click after center than we get mentioned value in tail portion.

        Ex:-total line length 100



        We get 20 as per click of point.

  • And if we apply negative value to the object and if pont of click is before center than we get value as per our requirement and if click after center than we get required value in tail portion.

         Ex:-total line length 100

         T+ enter

         We get 80 as per click of point


  • Short cut command: -dy+enter

  • By this we can have dynamic shorting and lengthening of an object.

  • We can also enter free value by using this sub tools.

  • When we apply this command it ask 1st to select 1st point and than is ask to select 2nd point and if point of click applied i.e before of after and also value entered is positive or negative we get the result.

Although lengthen command in AutoCad is similar to trim and extend but it has certain advantage over above command

  • Trimming and extending of an object by using same command only we have to specify value.

  • By using trimming command we can only trim intersect or overlapped area only

  • For using extend command, we have to specify some boundaries or target to the object.

[To repeat last command again and again use “space bar”.]

Also we can check the value of object which we increased or decreased by using DLI command.


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Panel in AutoCad

Panel is a circuit that used to control the electricy of any building or house or in industries from a single unit which we call panel once electricity is carried beyond our meter it is distributed to lights and appliances throughout the house by several electrical circuits. The distribution center or main panel and smaller sub panels used to control the various electrical circuits .

A distribution board (also known as panel board or breaker) panel is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclose. Distribution panel is also referred as breaker panel, circuit breaker electrical panel, fuse box. A panel basically contains following components or elements as Neutral and hot wires ,Breaker (main breaker, double pole breaker, single pole breaker, 15 amp afi breaker), Wire gauge (12 gauge wire, 14 gauge wire, 10 gauge wire, 8 gauge or 6 gauge wire), Ground wires.

NEUTRAL WIRES :- Current flows from panel toward the load along the hot wires and returns along the neutral each hot wire’s copper tip ultimately connects to its control switch at the circuit breaker and each neutral connects to a common terminal called a bus bar .

MAIN BREAKER :- This is a on/off switch to the entire breaker panel. A 200 amp breaker is appropriate for a home upwards of 2000 square feet. Smaller buildings can use 150 amp or 100 amp, small homes and sub panels can use a little as 50 amp.

DOUBLE POLE BREAKER :- Uses the entire 240 volts available to the panel. The 15 amp and 20 amp breakers often handle base band heaters, 30 amp serve water heaters and electric dryers, 40 and 50 amp are for electric ranges and 70 amp could serve a large air conditioners or a sub panel.

SINGLE POLE BREAKER :- The 15 amp and 20 amp are all purpose breakers running everything from lights and outlets to garage door openers.

15 amp AFI BREAKER :- Arc fault circuit interrupter breakers can prevents fires caused by accidental electrical discharge.


12 GAUGE WIRE :- Common for low demand connections to light switches and outlets attached to either 15 0r 20 amp breakers.

14 GAUGE WIRE:- Too thin for everything other then 15 amp breakers under small loads.

10 GAUGE WIRE:- Appropriate for a two pole 20 amp breaker or a single pole 30 amp breaker.

8 GAUGE OR 6 GAUGE WIRE :- Used for 40 , 50 and 60 amp two pole breakers, large appliances also used for sub panels.

GROUND WIRES :- Grounding prevents a conductor not meant to carry current ( such as the metal side of a cloths dryers ) from causing injury if it’s emergized by a frayed hot wire . In a properly grounded system appliances and metal boxes connect back to the grounding bus of the breaker panel from there the system is grounded to the earth via buried ground rods .


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AutoCAD Design Overview and it’s Specialization Area

  • Computer designing software used for 2D, 3D and drafting.

  • Developed and marketed by Autodesk.

  • First released: – December, 1992 on microcomputer with internal graphics controller.

  • Available 

    • Desktop application:-1982.
    • Mobile application:-2010.
  • Used: – By Industries, By architects, Project Managers, Engineers, Graphics Designers and other Professionals.

  • Five most common specialization areas are:-

        A. Mechanical Drafters: – Plans for machinery and mechanical devices.

        B. Architectural Drafters: – Plan for residential and commercial buildings.

        C. Civil Drafters: – Plan for use in design and building of roadways, bridges, sewer, systems and major projects. 

        D. Electrical Drafters: – Prepare diagrams of wiring electrical system layouts, panel designing cable designing electrical project designing, switch yard and sub-station designing. 

        E. Electronics Drafting: – Wiring diagram for use in the making, installing and repairing of electronic gadgets.

  • Native file format (extension): –

[ dwg.]

AutoCAD DXF drawing exchange format, allow importing and exporting drawing information.

    • It is:

             a. Available in: – English, German, French, Italian, Spanish, Japanese, Korean, Chinese Simplified, Chinese Traditional, Brazilian Portuguese.

              b. Later on: -Russian, Czech, Polish, Hungarian.

  • It supports APIs for customization and automation. It include AutoLISP, VisualLISP, NET, VBA, ObjectARX (C++ CLASS LIBRARY).

          Base For:

        a. Products extending AutoCAD functionality to specific fields.

        b. Creating products like AutoCAD Architecture, AutoCAD Electrical , AutoCAD Civil 3D or, 

        c. Third party AutoCAD based application.

  • Variants: –

           a. AutoCAD LT: – Lower cost version ,reduced capabilities, old version(November 1993), can’t be used on multiple machines, doesn’t support LISP, ARX, NET, VBA.

           b. AutoCAD 360:- account based mobile, web application, friendly to multiple machines, online access to drawing, flash based software (“smart pen” mode) linking to third party cloud-based storage. 

           c. Student version: – licensed for free(student and teacher)- 18th month renewable licensed.

Overview of AutoCAD Design

2D Drafting:-lines, circle, arcs, polylines, rectangles, polygons, splines, points, text, area hatching, lengthen, construction lines, extrude, trim, ray etc…

3D Modeling:- surface modeling, solid modeling,3D primitives include boxes wedges, cones, cylinders, spheres.3Dimages wireframe images, hidden line images, shading and rendering images.

Extrude and revolve solids from 2D objects and Boolean operation to 3D objects (union, subtraction, intersection). Operation to 2D and 3Dobject moving, copy-paste, mirror, rotating, erasing. View and zoom panel (UCS:-user coordinate system). Dimensioning and Tolerancing , linear dimensions, angular dimensions, radius dimensions, diameter dimensions, base line dimensions continuous dimensions, leader, sixe and geometric tolerances. Object layer, color, line types, groups, blocks, attribute, references, Plotting Generation of post Script files.

Five primary areas of the AutoCAD graphics window:-

  • MenuBar: pull-down menus are accessed through the menu bar.
  • Status Bar: provide status information including color, layer, coordinate display etc…. 
  • Drawing Area: the centre area called drawing area, area in which we draw drawing. 
  • Screen Menu: AutoCAD original menu interface, but now primarily used for option selection. 
  • Command line: It is area where we enter command and option from the keyword.

All menu items are organized in a hierarchical data structure.


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Difference Between Interior and Exterior Design


  • Interior Design is the art or process of designing the interior,often including the exterior of a room or building. An interior design is someone who coordinates and manages such projects. Interior design is multifaceted profession that includes conceptual, development, communicating with the stakeholders of a project and the management and execution of the design.

  • Interior Design not only offer all that an interior decorates or will offer,they go way beyond just prettying up a room.

  • When it comes to design’s job,while basic principles of design could be the same there will be different skill set and mindset required to apply them.

  • Interior Designer will have much more control over the process and the end result.

  • If every internal angle of a simple polygon is less than 180 degree, the polygon is called convex. The sum of the internal angle on the vertex is 180 degree.


  • Exterior Design is the process of designing the exterior of the building. This includes the facade skin roof and foundation element. While exterior design can be just as creative and artistic as interior design a knowledge of structural engineering is necessary. Exterior design is usually performed by an architect with help of civil and structural engineer.

  • In contract an exterior angle is an angle formed formed by one side of a simple polygon and a line extended form an adjacent side. The sum of the external angle on the vertex is 180 degree. 

  • In Exterior Designer will have to respect the ‘uncontrollable’ part of the environment.

  • Exterior wall material are bricks and blocks, cladding, exterior panels, exterior wall coating and materials, facades, precast concrete, rending, retaining walls etc. 
  • Exterior material is cheaper than interior material.


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Difference Between 2D Auto-cad Drawing and 3D Auto-cad Drawing?

Two Dimensional(2D) Auto-cad Drawing : 

Its support only two dimension in Computer Added Design such as Height and Width. It’s not support thickness of object.

2D objects have two dimension such as:

  • Rectangle,
  • Circle
  • Square,
  • Triangle etc.

2D Auto-cad Drawing can be divided into three important groups or parts:

Product Drawing”-

2D Auto-cad drawings which is used by the industry of fabricators & manufacturers. Even most of the 2D drawing which is made by 3D CAD model. The information of work about manufacturer or fabrication is based on the 2D drawing. In this context, a drawing has all the information in it when we print out on a paper.

Construction Drawing”-

Architecture drawing, builders, floor plans, installers, M&E drawing, these type of drawings are included in construction drawing. So, this is also a part of 2D CAD drawing which we can print out & can be easily readable floor plan, Elevations & Pipe runs these type of drawings either create in 3D. But on the other side M&E drawings are show through the symbols like switches & sockets on a 2D floor plan.

Line Drawing”-

These type of drawing is basically included Schematic, Map drawing & simple layout drawings. So, these drawings are made in CAD packages like AutoCAD or Assault system drafting.

Three Dimensional(3D) Auto-cad Drawing:

3D” which known as “Three dimensional Model” basically 3D display a picture in a form that appears to be physically present with a structure of design is necessary that it allows pictures which appears easy to the human eye. So, this can be also explain in a sense of items, which is display in a form that allow for different dimensions to be represented. Therefore, height, width and depth are also included in 3D dimension.


  • Any object in the real world & another example is Our body which is also in 3 dimensional.
  • In other words, an image which provides the Perception of depth is also described by the 3D.

When 3D pictures or drawings are create interactive so that audience feel involved with the scene and the experience is called Virtual Reality. Usually, we required a special plug in viewer for our web browser to view and communicate with 3D images. 

Tessellation, geometry & rendering are 3D image creation which is viewed as a ‘Three-Phase’ process. So in a ‘first Phase’, models are made up of particular or individual objects using link points & that created in a number of individual tiles. After this phase, means in a ‘Second Phase’, the tiles are transformed in a so many different ways & we can also apply light effect on it. Then, in a last ‘Third Phase’ of this 3D model, the transformed images or drawings are rendered into objects with very fine information or a good detail.

Therefore, popular products which is made by 3D Effects are included extreme 3D & virtual reality which is very important. This “Virtual Reality Model Language”(VRML) permits the creator to specify images or drawings and rules for their display. Textual language statements are also used by this communication or a good interaction.

Major Difference between “2D & 3D Auto-cad Drawing”:-

2D” is display as Two Dimensional geometry which is expressed in length & height on flat planes but have no Depth. One of the example is ’Shadow’ which is two dimensional. So, in this way, 2D shapes are typically measured in square units like cm2. Whereas 3D which is defined as 3 dimensional drawings or models they described objects with ‘Depth’. This depth of the object should not be confused with weight, as two objects can be the same depth but here notice that one can be much heavier than the second object like a gallon of milk have less weight than any other heavy object. So, 3D measurement includes cubic unit cm3, quart liters and also tablespoon. So, this the major difference between 2D & 3D.

Therefore, when we apply 3D to physics, they can be seen as three spatially enumerable vectors. Even though there could be several more compatified physical dimensions which are so small that we cannot detect them. There is the concept of the tesseract or hypercube which bears the same relation to a cube that a cube does to a square. An actual tesseract would not be possible to construct with our 3D bodies, but we can build a 3D representation of it. This concept of 3D is different from 2D drawings in this way.


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Array Command in AutoCAD

In the ARRAY Command we can create duplicate of any existing objects in any kind of patterns, which is rectangular or circular. By using ARRAY Command we can create duplicate in any path of object. Shortcut of ARRAY Command is “AR”. We can start Array command by type the “AR” in command prompt and then press Enter.


You can select the Array button in the draw panel.

In this command there are three sub tools and these are very useful to complete the action in ARRAY command.

Sub tools are => Rectangular, POlar, PAth.


This command’s shortcut is R (enter)

In this command we can maintain the object in Row and Column. In this command we maintain the distance in between one object and second object. When we are using this command then open a panel in Ribbon which we can maintain the number of Row and Column.

We can maintain the distance between two objects which is Row or Column.

To access the Rectangular command:-

AR (Enter)

Select an object: <Enter>

Select an object or (Rectangular/ POlar/ PAth)

R (Enter)

Then open a panel in Ribbon and you can maintain the number of object and distance.

For a Rectangular Array:

  • Prompt: Select an object: (Select the object which you want to duplicate)
  • Prompt: Select an object or (Rectangular/ POlar/ PAth): Type P and then Enter.
  • Prompt: Number of Rows: Type the number of rows and press Enter.
  • Prompt: Number of Column: Type the number of column and press Enter.
  • Prompt: Distance between rows: Enter the distance value of rows. This is based on same point of the array element.
  • Prompt: Distance between columns: Enter the distance value of column. This is based on same point of the array element.

This command’s shortcut is PO (Enter)

In this command we can maintain the number of Item and Degree. We can use this command to rotate the object in 0-360 degree. This is the very useful command in ARRAY. This command is based on the center point of array. In this command we are specifying the central location of the Array.

To access the Polar command:-

AR (Enter)

Select an object: <Enter>

Select an object or (Rectangular/ POlar/ PAth)

PO (Enter)

Then open a panel in Ribbon and you can maintain the number of items and degree.

For a Polar Array:

  • Prompt: Select an object: (Select an object which you want to duplicate)

  • Prompt: Select an object or (Rectangular/ POlar/ PAth): Type PO then press Enter.

  • Prompt: Base point of object: Give the base point of object where do you want to use the Polar Array.

  • Prompt: Number of items: Enter the value of items.

  • Prompt: Give the Angle: Enter the Angle which you want to rotate.

  • PATH

This command’s shortcut is PA (Enter)

In this command you can give the Path of the object. By using this command we can duplicate the object in any path like as (rectangular, circle, curve etc.). You can give any type of path to duplicate the object and object will be duplicate on the given path, by using PATH ARRAY.

To access the PATH COMMAND in AutoCad

AR (Enter)

Select an object: <Enter>

Select an object or (Rectangular/ POlar/ PAth)

PA (Enter)

Now you can select object which you want to duplicate.

For a Path Array:

Firstly we create a path which you want and create an object on the base point of path then,

  • Prompt: Select an object: Select an object which you want duplicate.

  • Prompt: Select the Path: Select the Path which created by you.



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LENGTHEN Command in AutoCad

This command is very useful in AutoCad. In this command we can change the length of object including angle of arc. In this command you can specify changes. LENGTHEN command can be used for trimming and extending objects.

This command’s shortcut is LEN (enter). In this command their are four sub tools and these are very useful to change the objects value.

Sub tools are -> Delta ,Percent ,Total ,Dynemic

  • DELTA:

This command’s shortcut is DE (enter).

This command is used for extend or remove length of object. In this command,if we are giving value in positive then the length are extend and if we are giving value in negative then the length are remove of object.

This is the way to use delta command:- 

LEN (enter)

 Select an object or ( DElta/Percent/Total/DYnemic)

DE (enter)

Enter delta length or (Angle):[<+ve value for extend /

-ve value for remove>]


This command’s shortcut is P (enter).

This command is used to extend the value of object according to percent.

  1. If we assume the total percent to be length of the object (let initial be 100%).

  2. The input value will be reduced from initial value.Example [ Inputed value = 120% , Initial value = 100% then Result 120-100 = 20% extend the initial value].

  3. The object will be extended/ shrinked as per the result obtained (if result is +ve then length are extend and if result is -ve then length are shrink).

This is the way to use the percent command:-

LEN (enter)

Select an object or ( DElta/Percent/Total/DYnemic)

P (enter)

enter percent value: <>

  • TOTAL:

This command’s shortcut is T (enter).

In this command we are maintain the line. If we want to extend or shrink line then we are use Total command.

This is the way to use total command:-

LEN (enter)

Select an object or ( DElta/Percent/Total/DYnemic)

T (enter)

Enter the total value: <>


This command’s shortcut is DY (enter).

In this command we are modify or maintain the object. In this command we are giving in object new point and end point , and this command will remove the object in between new and end point.

This is the way to use dynamic command in autocad:-

LEN (enter)

Select an object or ( DElta/Percent/Total/DYnemic)

DY (enter)

Select the object or <end point>.

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