This is what we need to draw

1

• This is what we need to draw

Rounding edges
Extruding
Concentric circles
2

• Open the wing

3

• Go to the assembly menu
• Open a new part in context

4

• Rotate the drawing so you are looking at the
  side of the wing using the keyboard arrows.
• Click on the workplane selector
• Use shift H to see all the workplanes on the
  same screen

5

• Select the lateral workplane by clicking on it
  twice once you have selected the workplane
  selector.

6

• Go to the workplane menu
• Create a new sketch
• Change the name to wheel support
• Click filled and make sure the lateral workplane
  is selected.
• Click o.k.

7

• Use shift Z to zoom in on the area where the
  support will go under the wing.

8

• Draw a circle using the circle tool

9

• Draw another circle inside the larger one

10

• Select the dimension tool
• Click on the smaller circle and drag a dimension
  to the side

11

• Click twice on the dimension and change it to a
  radius of 1.5mm or diameter of 3mm.

12

• Click on the shape selector.
• Drag a box over both circles by holding the left
  hand button down when moving the mouse.
• Click on the concentric circle button.

13

• Select the dimension tool and add a dimension to
  the outer circle.
• Select it and change it to a radius of 2.5mm or
  diameter of 5mm.

14

• Select the line tool
• Start drawing the lines to make up the sides

15

• Make sure you position the start of the next
  line on the square black handle of the previous
  one.

16

• Link up the final line with the circle

17

• Click on the segment deletion tool
• Select the top part of the circle with it
• Press enter to delete.

18

• The shape should fill

19

• Add a central triangle of joined lines as for the
  outer triangle.
• Select the lines and move along each to pick up
  the corner handles, they will increase in size
• Hold down the left button over the handle and
  reposition the corners so the centre triangle is
  equally spaced.

20

• The support should look like this

21

• Rotate the sketch using the arrows so you can see
  it from the side

22

• Click on extrude
• Check add material is selected.
• Drag the handle until the distance is 3mm

23

• Spin the drawing using the keyboard arrows
• Zoom in using shift Z
• Select the bottom edge using the edge selector.

24

• Select round edge

25

• Drag the radius using the yellow handles or type
  in a radius.
• Click on o.k.

26

• Spin the shape using the arrows
• Select the edge selector
• Select one of the top inner corners
• Press and hold shift then select the other.

27

• Click on round edges
• Use the yellow handles to drag the radius to
  size.
• Click on o.k.

28

• Save the wheel structure to the plane file