Thank you for the videos...
But unfortunately it didn't solve my problem:
1) If I use the Brick types (Brick-Red-3,4,5...) supplied by HomeDesigner, it calculates the number of Bricks for a length of wall in the Material List.
2) It also shows the dimensions of an individual brick in the description column of the Material List e.g. (48x128x222 mm)
3) How can I edit these dimensions for South African brick sizes, so that it calculates the correct number of Bricks for our local bricks.
4) When I copied the Brick-Red-4 brick to my local