Project house99 - step 1 - Lesson: 2.5 - Start Project House-99


2.5.3 - Drawing the Exterior Walls

After you have drawn the outline (abcdefgha) of the Floor Plan, the drawing of the Exterior walls will be the second step. The wall is consisted of two lines, each one defines one side of the wall.

As you can see in the Floor Plan, the thickness of the exterior wall is 0.300 m, and the thickness of the interior wall is 0.15 m.
You will use the House Outline - polyline(abcdefgha), you just have drawn (Fig.1.5.3.3), as the outside of the exterior walls, and you will offset it, inside this polyline, in a distance of 0.30 m to create the second line of the wall.

OFFSET polyline (abcdefgha) to the inside, to create the exterior walls as shown in Fig. 2.5.3.1. To do this :

  • On Ribbon, click Home tab ►Modify panel ►click Offset icon , or type Offset and press ENTER. (Fig 1.5.5)
  • on the Command prompt: Offset Specify offset distance or: type 0.300  and press ENTER, where 0.300 m is the offset distance.
  • on the Command prompt: Offset Select object for offset : select polyline (abcdefgha)  and press ENTER.
  • on the Command prompt: Offset Specify point on side to : select any point inside the polyline (abcdefgha)  and press ENTER.

The result is shown in Fig.2.5.3.1 (without dimensions).

Fig.2.5.3.1 - Draw the Exterior Walls

Fig.2.5.3.1 - Draw the Exterior Walls

Now you have to do some work on the layers. Create a new layer, with the Name: A-Exterior Wall, Color: Magenda. To do this:

  • Click Home tab ►Layers panel ►click Layer Properties icon ►right-click ►New Layer ►for the Name type A-Exterior-Wall , for Color select mangenta and press ENTER. (Fig 1.5.5).

Fig.2.5.3.2 - Create a new Layer 'A-House Outline'

Fig.2.5.3.2 - Create a new Layer 'A-House Outline'

After that the the Layer Properties of your drawing, will be as shown in Fig.2.5.3.2.

Select the inside polyline (1) with with layer name 'A-House-Outline', and rename it to 'A-Exterior-Wall', it's color will change to magenda. Turn-off the layer 'A-House-Outline', the polyline (2) will disappear, then offset the polyline (1) to the outside direction at a distance 0.30. The result is shown in Fig.2.5.3.3, you have to polylines with color magenda and layer name 'A-Exterior-Wall.

Fig.2.5.3.3 - Draw the Exterior Walls - Layer A-Exterior-Walls

Fig.2.5.3.3 - Draw the Exterior Walls - Layer A-Exterior-Walls


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