|Plan 9 has been updated with
3d features. With this Layout Drawing you can see how to add a Tunnel Portal
to the Terrain.
To create the Portal opening, the Terrain Grid is made clear for 3 squares
shown with a red X.
Next a 3d polygon is drawn in the Plan View to replace the terrain grid with
a filled square Figure the size of the Terrain Grid.
The Portal opening is traced over with the Line tools in the Plan View.
Finally the elevations added for each line endpoint using the Object Data
Object Data Grid
with Portal Outline
In the Cab 3d View
View from Roundhouse
Plan 9 3d.zip (94 kb)
file requireS Cadrail Version 10.0.2 or the Cadrail Demo to view and print.
How to use these