... The settings for omitting individual chairs, swapping S1 to L1 (or M1), and reversing the key direction will be in the shove timbers dialog for each timber. cheers, Martin. Hi Martin, Sounds good. Thanks! I think there might be a problem with the orientation of chairs. This is a plan view after I've substituted a simple marker for all the chairs. It's just an extruded triangle. Using my convention the triangle should always point to the center line of the track. Cheers, Andy Attachment: attach_2718_2734_Capture24.GIF 646 posted: 2 Aug 2018 04:16 from: Martin Wynne Andrew Barrowman wrote: I think there might be a problem with the orientation of chairs. This is a plan view after I've substituted a simple marker for all the chairs. It's just an extruded triangle. Using my convention the triangle should always point to the center line of the track. Hi Andy, Yes, I did mention that. At present I have left and right hand versions of each chair. The versions are mirrored on Y. You ...