Stairs (Portal 2)
there is a model props_ingame\arm_8panel.mdl with attachments panel_attach_0(1 through 4) you need to attach func_brushes to and animations up and down, you also better use func_door because panels have no collision and to make walking better like in regular stairs(you also need area below it) You also can composition out of singular panel models to make unusual stair formation Please make it into a viable page(please mention the instances\p2_editor\stair.vmf instance)
