This 23 minute video lesson continues the process of developing an actual building, following the dimensional information from a drawing. Please use the PDF file from the previous lesson as a reference while you go through this lesson.
Before starting to draw the interior partition walls, the wall tool default settings are changed in the Info Box to use a different layer (A-WALL-INTR for USA, and Interior – Partition for INT users) and thickness (4″ or 100 mm). The geometry method is changed in the Info Box to create single walls (rather than polywalls) since these partitions are generally going to be placed one at a time.
A partition is placed running horizontally, snapping from corner to corner, then another is placed in the top right of the plan to create a space for a utility room. A wall running vertically onscreen is placed to define the kitchen in the upper left of the building. To get this into the proper position, a temporary guideline is used, which makes it easy to snap the new wall exactly where it needs to go to create the desired room size.
If the wall preview (as the mouse moves onscreen) shows the wall body on the inappropriate side of the reference line, change the construction method in the Info Box from Left to Right or vice versa, then return to the plan drawing area to see the preview update accordingly. Snap the wall end to the existing wall using a perpendicular snap cursor, or an intersection cursor (which indicates you are positioned on the intersection of the vertical guideline and the horizontal existing wall edge).
An additional wall is placed for the bathroom using a temporary guideline to set the position. A closet partition is created for the upper central area, which will be a bedroom; this is drawn by snapping to the exterior corner then gesturing down and typing in the proper distance into the tracker (calculating the wall thickness plus the desired length of the interior wall). The closet return wall is started by simply hitting the Enter or Return key, which places the beginning point of the wall on the endpoint of the previous wall, and it is snapped into position using the perpendicular snap cursor or the intersection cursor as before.
Finally, several of the wall intersections are cleaned up by selecting two walls (use the Arrow tool to select one, then Shift-click on the other) and using the Intersect button in the Toolbar at the top of the screen. In one case, the intersection doesn’t look perfect; we’ll look at how to clean that up in the next lesson.
The entire process is repeated very quickly in the other (International metric) file, showing how quickly it can be accomplished when in actual practice.
TROUBLESHOOTING NOTES: If when you try to select a wall (in the section on cleaning up intersections) a group of several walls is selected all at once, you will not be able to successfully use the Intersect button command. This is explained and demonstrated in the last part of the lesson using the International version file. Briefly, if Auto-Group is turned on in the Edit menu > Groups submenu, then any elements drawn in one continuous action (such as a series of walls created using the polywall method, or the box geometry method) will be “grouped” by ArchiCAD automatically. This isn’t a major issue, but it can be an annoyance, so I recommend turning this setting off most of the time.
To complete the intersection cleanup process in this case, use the Suspend Groups command, available from an icon in the Toolbar (as demonstrated in the lesson) or from the Edit menu > Groups submenu. Then you can select an individual wall even though it is part of a group, then Shift-click to select the other wall, and do the Intersect command without a problem.
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