This week’s Tip of the Week is a user (more like Power User) submission. Thank you to Pete Lichtenberg for this!
I learned a good way of creating a second surface from an original surface, similar to an old TerraModel routine. Select the original surface either in Project Explorer or Plan View. Right click and use "Select Members".
![](https://higherlogicdownload.s3.amazonaws.com/TRIMBLE/JiveInlineImages/137995.png)
Now use the "Copy" command under "Edit" and tick "Relayer copied objects". Choose an existing layer or create a new layer. In this example I have created a new layer "TO_TOPSOIL_STRIPPED":
After clicking "Apply" the window "Move Objects" appears. Fill in "From:" and "To:" as below. Put in the Delta Elevation e.g. "-0.1", make sure "3D move" is ticked and click the button "Apply".
The windows "Copy Objects" shows up again. Just close it.
![](https://higherlogicdownload.s3.amazonaws.com/TRIMBLE/JiveInlineImages/137998.png)
The members of the first surface, lowered by 0.1m are copied on to the Layer "TO_TOPSOIL_STRIPPED".
Now, select these newly created objects and create your second surface, which is vertically lowered by 0.1m.
Thanks Pete!
TBC - From Field to Finish with Confidence.