How do I merge fills in archicad?

How do I merge two fills in ArchiCAD?

Re: joining fills

1. They must adjoin or overlap.
2. Select one of the two.
3. Make sure the current tool is the same as the selected element.
4. Click the edge or a node of the selected element and choose the add (+) option on the pet palette.
5. Space bar click (magic wand) in the area or on the edge of the other element.

How do I create a fill pattern in ArchiCAD?

How to create a custom fill: Choose the hotspot tool to create what will be your fill boundary nodes.

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Custom fill

1. Select it all ( including the hotspots) and copy. Edit> Copy.
2. Go to Options> Element Attributes> Fills.
3. Click on New…
4. And Create a new Symbol fill.
5. Select paste to add your created pattern.