Maybe you are not using the selection correctly, you have to encircle the points ( same as with a mouse)
The attached is me doing it with a wacom. Clicking on a point doesnt select it?
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Interesting. I use polygon and lasso selection in PowerCADD all the time.
I was trying to shift click on some vertices after starting with a bunch and was doing so with the track pad, but now I can’t seem to get that to work either.
Thanks. I really need to watch a complete tutorial.
Make sure you aren’t looking at back faces and have ignore back faces ticked.
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Another shot at it with more in between vertices.
I like the results better, but I suspect there was an easier way than what I did.
Can you attach the wave model.
Sure. Starting state and two manipulations
GZ01-Wavy&Flat water v1,0.skp (630.3 KB)
GZ01-Wavy&Flat water v1,1.skp (688.4 KB)
GZ01-Wavy&Flat water v1,2.skp (1.5 MB)
I was a little thrown how to and more vertices in the last one, so I did it kind of manually with intersecting planes. I was thinking there’s probably a better way.
To look more natural, the surface of the sea/ocean with waves can be created in Blender, exported as OBJ file
and then, in SketchUp, make the transition to plane surface.
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Is that “Ocean” parametric a plugin for Blender?
I’m not sure my brain can take on learning another program at this time.
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It’s a modifier inside Blender 2.8 (no need to install, just download the kit and open Blender).
If you just follow the steps from Gif you will get that surface:
- open Blender
- click on Modifiers tab > Add modifier > Ocean
- set Resolution, and Scale of the waves
… and export as OBJ file.
That’s it! 
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Have you considered just using Tigs extrusion tools.
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I wasn’t familiar with TIG’s extrusion tools.
as Ian mentioned earlier, this is the same toolset that allows you to extrude a vector line.
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