Jo_Ann

You need to post a pic of the front corner of the real house, where the chimney is.

Too much to explain, so I've uploaded a replica sample of your roof (done in HDA 2018). This replica has 'auto build roof' still turned on. You will need to look at all the settings. The wall you call the 'hub' needs to have the overhang extended (2nd floor). When the roof looks like what you want, you then TURN OFF auto build roof. You can THEN set the 2nd floor room to 'open below' (with no ceiling), and also return some of the details to 'normal'. Chevron prow roof.plan

I moved the room divider wall out farther, so it runs into the window, and there is still no problem. You might need to upload the REAL plan for anyone to see why you are getting the attic wall problem.

If a small gable is what you want, then it is easy to do with auto build roof. Place wall breaks on each side of the invisible wall, and set the center of the wall as a gable.

Is this what you want the roof to look like (extended overhang)?

Are you sure you entered the elevations correctly? -80mm and -80cm are not the same thing.

Ditch the thick black ceiling.

If you followed Eric's instructions (which you didn't), then you would get this result.

A 4/12" pitch rising across a 13' 7" span is going to rise about 5'. Your center room rises only 30" higher than the side rooms. What did you think would happen?

Put a wall break here, then open the wall (showing as green) and set it to hip roof. Then start lowering the pitch on that wall. You might not like what is showing at the top of the roof, but the program is generating it that way because the roof needs to shed water away from the house wall. If you want to play with the upper pitch setting (roof tab) , you can lower that part of the roof to look better, but still have enough slope to shed water (pic #2).

Slab or custom countertop.

Your first floor roof plane is cutting into the 2nd floor walls. Adjust the roof plane.

Instead of trying to fashion a complicated elevation detain around the garage, maybe you should consider using french drains?

#1. Move the short end wall of the porch inward, until you see the gable of the main house pop up. #2. Lower the pitch on the short wall and the front (porch) wall. #3. Turn on the floor reference, and go to the attic level. Draw an exterior wall (attic wall) over the gable wall below. Open this wall and check the box "no room definition" and "no locate".

If you want to try DJP's method (I think)... Set the elevation regions as shown, based on your pic. For the garage level to be correct on the terrain, open the terrain perimeter (dbx) and set the "subfloor height above terrain" to -84" (garage foundation needs to be slightly higher than -110"). You have terrain climbing up the foundation wall at the rear of the house. Uncheck the box for "flatten terrain" (in the terrain perimeter dbx) to get rid of that. As you can see, there is usually more than one way to get the same result.

You are getting closer. The flat region should look like this after you have shaped it.

Draw the terrain retaining walls. THEN, shape the flat terrain region (that you already placed) up against and conforming to the house-side surface of the terrain retaining wall. If you have drawn the retaining wall in the correct place, it should show to be about 4' tall. It looks like a curb retaining wall could be used on the front yard. Curb walls can be height edited.

You shape a terrain region polyline the same way you shaped your terrain perimeter.

Using Architectural, with a situation like you have, your only choice is to cover it. Use a custom backsplash.

Maybe this is simpler? Try it and see if it works for you. Is the plan "Remodel (terrain w basic building only)" have the correct terrain elevations that you want to use and the house is in the correct position on the terrain, but sitting at the wrong elevation? If you want it to look like the pic, then... FIRST you need to fix the house. #1. Reset floor 1 (C) value to "0" (ceiling at 95 5/8?). #2. Delete level 0 foundation, then rebuild the monolithic slab. #3. Now open the terrain perimeter and set the "subfloor height above terrain" to 1620". #4. The house will be floating above the terrain. You need to place a "flat terrain region" around the house footprint. Set it's elevation to 1615". Beyond that, you need to shape the flat region around the house, particularly at the back of the house up against the retaining wall.

??? I don't know what you are doing?

Don't import stuff! There is more than one way to set up a terrain (per DJP), but this is how I like to do it. Orange areas are the terrain regions. #1: Open the terrain dbx and set subfloor height to 26". Uncheck automatic and flatten pad. #2: Place a terrain flat region by the garage / house front, and set it to "0" (ground zero). #3: Place a terrain flat region at the back of the terrain. Set it's elevation to -66" (5' 6" BELOW flat region "0"). #4: Place a terrain flat region at the front of the terrain. Set it's elevation to +110" (9' 2" HIGHER than flat region "0"). #5: Draw terrain retaining walls.

You just need to practice.

Don't use the floor camera.