Drafting of various geometries using Chamfer, Fillet tool in AutoCad

Drafting of various geometries using chamfer, fillet tool in AutoCAD 

1. Aim: To draft the given geometries in Decimal units 

Tools used: Line, Circle 

Procedure: 

• Initially set the units as Decimal and precision to 0.00 
• Now set the limit for the drawing: 
• Specify lower left corner: (0,0)   
• Specify lower left corner: (10,10)   
• Choose line command 
• Specify first point as (0,0) 
• Specify the next point as @3<0 
• Specify the next point as @2.12<45 (Angle = 180-135) 
• Specify the next point as @2.83<135 (Angle = 180-(90/2)) 
• Specify the next point as @2<180 
• Specify the next point as c to close the figure 
• Now, choose the circle command 
• Give the center point of circle as (1.5,1) 
• Specify the radius of circle as 0.6 (as diameter of the circle is given as 1.2) 
• Again, choose the circle command 
• Give the center point of circle as (1.5,2.5) 
• Specify the radius of circle as 0.4 (as diameter of the circle is given as 0.8) 
• Add dimensions 
• The completed figure is 

 2. Aim: To draft the given geometries in Architectural units 

Tools used: Line, Circle 

Procedure: 

• Initially set the units as Architectural  
• Now set the limit for the drawing: 
• Specify lower left corner: (0’0”,0’0”)   
• Specify lower left corner: (10’0”,6’0”)   
• Choose line command 
• Specify first point as (0’0”,5’5”) 
• Specify the next point as @2’5” <270 
• Specify the next point as @3<300 (Angle = 270+30) 
• Specify the next point as @2’6”<30  

• Now, break the line command and select line again 
• Start the initial point from (0’0”,5’5”) 
• Specify the next point as @8’5” <0 
• Specify the next point as @1’9” <270 
• Specify the next point as @2’10” <225 
• Close the line and add dimensions 

• The completed figure is 

3. Aim: To draft the given geometries in Engineering units 

Tools used: Rectangle, Circle, chamfer 

Procedure: 

• Initially set the units as Engineering   
• Choose ‘REC’ command from command box 
• Specify first point as (0’,0’) 
• Specify second point as (5’0.1”,3’3”) 
• Now chamfer the top right corner of the rectangle using chamfer tool 
• Choose an angle option from the chamfer command 
• Specify the chamfer length as 1’9” (3’3”-1’6”) 
• Specify the chamfer angle from the first line: 55(180-125) 
• Then select the first line to chamfer 

• Select circle command 
• Specify the center of the circle as (1’3.0”,1’6.0”) 
• Specify the diameter of circle as 1’6.0” 
• Enter dimensions 
• The created figure is 

4. Aim: To draft the given geometries in Decimal units 

Tools used: Line 

Procedure: 

• Initially set the units as Decimal  
• Choose ‘L’ command from command box 
• Specify first point as @0,0.5 
• Specify next point as @3,0 
• Specify next point as @0,-0.5 
• Specify next point as @2.5,0 
• Specify next point as @0,2.5 
• Specify next point as @-2,0 
• Specify next point as @0,3 
• Specify next point as @-2.5,0 
• Specify next point as @1,0 
• Close the line and add dimensions 

5. Aim: To draft the given geometries in Decimal units

Tools used: Line, Rectangle, offset 

Procedure: 

• Initially set the units as Decimal  

• Choose ‘REC’ command from command box 
• Specify first point as (0,0) 
• Specify second point as (11.5,6) 
• Now choose the line command draw a line at a distance from left end 
• Specify first point as 3,0 
• Specify next point as 3,6 
• Then offset the line at distance of 5.5 units towards the right side 

• Now, choose circle command  
• Specify the center of the circle as 1.5,3 
• Specify the diameter of circle as 2 
• After drawing the circle, offset this circle inwards at a distance of 0.5 
• Now, copy the two circles on the left side by keeping the center of circles as the base point 
• Specify next point as 10,3 
• Again, choose circle command  
• Specify the center of the circle as 5.75,3 
• Specify the diameter of circle as 3 
• Add dimensions 

6. Aim: To draft the given geometries in Decimal units

Tools used: Line, offset 

Procedure: 

• Initially set the units as Decimal  
• Choose ‘L’ command from command box   
• Specify first point as (0,0) 
• Specify next point as (1.5,0) 
• Specify next point as (1.5,1.5) 
• Specify next point as (0,1.5) 
• Specify next point: c 
• Offset the bottom line at distance of 0.5 units upwards 
• Offset the side edge line at distance of 0.5 units towards right side two times and trim the unwanted lines 

• Choose ‘L’ command from command box 
• Specify first point as (2.5,0) 
• Specify next point as (4.5,0) 
• Specify next point as (4.5,1.5) 
• Specify next point as (4,1.5) 
• Specify next point as (4,0.5) 
• Specify next point as (2.5,0.5) 
• Specify next point: c 

• Choose ‘L’ command from command box 
• Specify first point as (2.5,0.5) 
• Specify next point as (4,1.5) 
• Choose ‘L’ command from command box 
• Specify first point as (2.5,2.5) 
• Specify next point as (4.5,2.5) 
• Specify next point as (4.5,4) 
• Specify next point as (2.5,4) 
• Specify next point: c 
• Offset the bottom line at distance of 0.5 units upwards two times 
• Offset the side edge line at distance of 0.5 units towards left side and trim the unwanted lines 
• The completed figure is 

7. Aim: To draft the given geometries in Decimal units

Tools used: Line, offset, circle 

Procedure: 

• Initially set the units as Decimal  
• Choose ‘L’ command from command box   
• Draw a line of 100 units in positive y direction and 210 units in positive x direction and 75 units in negative y direction 
• Select offset and give distance of 10 units and draw an offset from 210 units line in negative direction 
• Repeat the offset with distances of 30, 20 in the same direction 
• Again, select the offset and give distance of 20 units and draw an offset from left side in positive x direction and right-side negative x direction respectively 
•  Now as an Arc1 has radius of 35 units we draw a line of 70 units on left side and Arc2 has radius of 25 units we draw a line of 50 units on the right side 
• Select the circle command and draw a circle from the center of 70 units on left side and give the diameter as 50 
• Select the circle command and draw a circle from the center of 50 units on right side and give the diameter as 30 
• Select the three-point arc and draw the arcs on both sides with the drawn lines 
• Trim the unwanted lines  
• Now, select fillet and give radius 15 and draw a fillet on top right and left corner 
• Again, select fillet and give radius 20 on bottom left and radius of 6 on right bottom corner 
• Give dimensions and the completed geometry is  

8. Aim: To draft the given geometries in Decimal units

Tools used: Line, offset, circle 

Procedure: 

• Initially set the units as Decimal  
• Select circle and draw a circle with diameter 5  
• Select offset and give offset distance as 0.5 and draw an inner circle  
• Draw a line from the center of the first circle with distance 4.275 in negative x direction 
• Draw a circle with diameter 0.9 from the last point 
• Draw another circle with radius 0.9 from center of last circle 
• Select line command and draw a line to the tangent of the first circle on top and bottom 
• Trim the unwanted lines 
• Select the circles, two tangents and give mirror option  
• Specify the base point as the center of first circle  
• Draw dimensions and the completed image is  

9. Aim: To draft the given geometries in Engineering units

Tools used: Line, Circle, Arc 

Procedure: 

• Initially set the units as Engineering  
• Choose ‘L’ command from command box   
• Draw a line of 32’6” in positive y direction 
• Select circle command and draw circle1 with center of starting point of line with radius 8’ 
• Draw circle2 with center of end point of line with radius 9’ 
• Draw another circle by selecting tan, tan, radius option with radius of 41’8” on top  
• Draw another circle by selecting tan, tan, radius option with radius of 20’10” on bottom 
• Trim the unwanted lines and draw dimensions 
• The completed geometry is 

10. Aim: To draft the given geometries in Engineering units

Tools used: Rectangle, Trim 

Procedure: 

• Initially set the units as Engineering  
• Choose ‘REC’ command from command box   
• Specify first point in the xy axis and specify the dimensions as 3’x3’ 
• Select offset and give distance of 0.25 and draw a rectangle  
• Copy the rectangles and rotate in 45 degrees 
• Now, join the rectangles from center of two rectangles 
• Trim the unwanted lines 
• The image is
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11. Aim: To draft the given geometries in Engineering units

Tools used: Line, Rectangle 

Procedure: 

• Initially set the units as Engineering  
• Choose ‘L’ command from command box 
• Draw a line with starting point 0’0”,13’6” 
• Specify length of line as 9’ in negative y direction 
• Specify length of line as 3’ in positive x direction 
• Specify length of line as 4’6” in negative y direction 
• Specify length of line as 4’6”in positive x direction 
• Specify length of line as 1’2”’ in positive y direction 
• Specify length of line as 5’4” in positive x direction 
• Specify length of line as 1’2”’ in negative y direction 
• Specify length of line as 4’6”in positive x direction 
• Specify length of line as 4’6” in negative y direction 
• Specify length of line as 3’ in positive x direction 
• Specify length of line as 9’ in positive y direction 
• Draw a rectangle with dimensions 3’x3’ and rotate it by 45 degrees 
• Place the rectangle from the center downwards with length 6’9” 
• Choose ‘L’ command from command box 
• Draw a line with starting point 0’0”,13’6” 
• Specify length of line as 3’ in positive x direction 
• Specify the next point as @2’8”<315 
• Specify the next point as @2’8”<225 
• Draw a line with starting point 20’4”,13’6” 
• Specify length of line as 3’ in negative y direction 
• Specify the next point as @3’7”<240 
• Specify the next point as @3’7”<120 
• Join the gap between with a line 
• Draw dimensions
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