ucitsme

rlackore - Although I followed your advice using the 'edit wall layer intersections tool' and turned off walls - main layer only - I still see that triangular gap. Is it possible for you to post your file so I can see exactly how you did it. It's driving me mad!

Please find attached - I have marked the area that the issue is occurring with a revision cloud, towards the bottom left corner of the plan. Main Plan.plan

I am using Chief Architect X7. Why don't all the walls join up as a solid when I try to join an internal wall perpendicular to a point where two external walls meet? There seems to be a gap extending from the base of the 200mm wide internal wall where it meets the 300mm wide external walls. I am tracing over a pdf but it seems to be the same when free-drawing also. See attached image.