Center the slot in the view. |
Use Centerline
to create
horizontal and vertical construction lines.

|
Create the horizontal edges of
the slot. |
Use Offset
Entities
to offset the
centerlines.

|
Delete excess sketch entities. |
Use Trim
Entities
with the power
trim option.

|
Create an arc to enclose the
slot. |
Use Tangent
Arc
.

|
Delete excess sketch entities. |
Use Trim
Entities
with the power
trim option.

|
Create a symmetric slot on the
opposite side of the drawing view. |
Delete the vertical edge of the
opposite side of the drawing view (to create a space for the slot),
then use Mirror Entities
to mirror the
slot. Video:
Mirroring Entities

|