Challenge

Drafting of various geometries using Chamfer, Fillet tool in AutoCad

Aim: to draw the given sketches in AutoCAD

Open new file and set decimal and precisions to 0.00
Command line: from random point draw 3.00m line and @ 2.12<45, @2.83<135 then 2m line and close
Command offset: 3m line to 1m and 2.5m
Command circle: from midpoint of 3m line at 2.5m and 1m draw a circle of diameter of 1.2 at 1m and 0.8 at 2.5m
Command erase: erase the offsets

Select architectural and polar tracking for angles 15,30,45,60 and so on
Command line: Draw a horizontal line and draw 2’6” line at 225 degrees, 3’ line perpendicular to it, 2'”" vertical line and 8’ horizontal line, 1’9” vertical line and 2’10” @ 225 degrees and close

Open new file and set engineering and precision to 0’-0.0”
Command line: 2’-6.5” in -ve X-axis, 3-3” in -ve Y-axis, 5-0.1” in =ve X- axis, 1-6.0” in +ve Y-axis and close
Command offset: offset 3’-3” line at a distance of 1’-3.0” and 5’-0.1” at a distance of 1’-6.0”
Command circle: Draw a circle of a distance of 1’-6.0” from the centre of offset lines
Command erase: erase the offsets

Open a new page and select decimals with precision 0.00 while keeping ortho on
Command line: Draw 3m line in +ve x axis, 3.5 in -ve Y axis, 2.5m in +ve X axis, 2.5m in +ve Y axis, 2m in -ve x axis, 3m inn +ve Y axis, 2.5m in -ve x axis, 2m in -ve Y axis, 3m in -ve Y axis and close

Open a new page select decimal and precision 0.00
Command line: 6m vertical, 11.5m horizontal and 6m vertical and 11.5m horizontal
In object snap setting keep midpoint, centre, intersection and geometric centre on
Command circle: Draw concentric circles at the intersection of the offset line of diameter 1m and 2m on both sides
Command erase: Erase the offsets

New page select decimal with precision 0.0
Command line: 1.5m horizontal and 1.5m vertical on both sides
Command offset: 1.5m to 0.5m from the horizontal line
Command divide: divide 1.5m line into 3 segments
Command line: join the divided lines
In objects snap setting keep the extension on
Command line: Draw 2m line and 1.5m line and 0.5m horizontal on top and in vertical and 1.5m horizontal and 0.5m vertical and join and slant line
Command line: 2m horizontal and 1.5m vertical on both sides
Command offset: offset 1.5m line to 0.5m
Command divide: Divide 1.5m line into 3 segments
Command line: join the divided lines

Open a new page and set decimal and precision to 0.00
Command line: Draw 210m horizontal line and 100m vertical line on left side and 75m vertical line on right side, since arc has radius of 35m draw a line of 70m on left side and has a radius of 25m and draw a line of 50m on right side
Command arc: from start, end and radius draw an arc of radius 35m on right side and an arc of radius 25m on left side
Command circle: From midpoint of 70m line on left side draw a circle of diameter of 50m and 30m on right side
Command offset: offset 210m line at a distance of 60m
Command fillet: filleting to radius 15m on top right and left and radius of 20m on inner left and radius of 6m on inner right
Command offset: offset 210m line to 10m and 100m and 75m line to 20m
Command rectangle: 70m length and width of 30m from offset line on both sides
Command erase: Erasing the offset lines and unwanted lines

Open a new page and set engineering and precision to 0’.0”
Command line: Draw a 32’-6” horizontal line
Command circle: Draw a circle of radius 8’ on left sides of line and radius of 9’ on right side of line
Command arc: From start, end and radius draw a arc of 41’-8” on top and 20’10” on bottom
Command trim: trim the unwanted line and curves

Command rectangle: Draw a rectangle of same length and same width of a size and another slightly bigger one from common centre
Command rotate: rotating the drawn square by 45 degree keeping the copy
Command trim: Trim the crossing lines accordingly

Open a new page and set engineering and precision 0’0”
Command line: Draw 10’-2” horizontal line, 9’ vertical line, 3’ horizontal line, 4’-6” vertical and horizontal line and 1’-2” vertical line
Command mirror: Mirror the above lines at centre axis
Command offset: offset the 20’-4” to a distance of 6’9” and 13’-6” to a distance of 10’-2”
Command rectangle: Draw a rectangle of length and width 3’ from the centre point of offset line
Command move: Move the centre of rectangle to the centre of offset line
Command rotate: Rotating the rectangle by 45 degree
Command offset: offset 20’-4” to a distance of 2’-8” with polar tracking on draw an angle of 90 degree. Offset 20’=4” to a distance of 3’-7” with polar tracking on draw an angle of 60 degree
Command erase: Erase the unwanted lines

Result: The given drawings have been drawn using AutoCAD

Ship work like this
in your own course.