-When done with all that, select the warpzone brush, right click and select trigger_warpzone. Select the brush again, press T, find the common/trigger texture and use it on all surfaces. Unselect the brush by hitting ESC, select your warp surface in the 3d view by pressing CTRL+SHIFT+Left mouse button. Then use the common/warpzone texture on this one surface only!
+When done with all that, select the warpzone brush, right click and select `trigger_warpzone`.
+Select the brush again, press `T`, find the common/trigger texture and use it on all surfaces.
+Unselect the brush by hitting `ESC`, select your warp surface in the 3d view by pressing `CTRL+SHIFT+Left mouse button`. Then use the common/warpzone texture on this one surface only!