It is often necessary to insert new cells into an existing grid. Grid+ allows individual cells to be added, or multiple cells as described below.
Insert a single cell
To insert a grid cell next to an existing cell, select two grid nodes of the existing cell (RMC on a node, hold the Shift key then LMC on the second node, the segment will be highlighted) then RMC to display options, select Line Mirror option as shown in Figure 1. As a result, a cell will be added that shares a grid line with the existing cell as shown in Figure 2.
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