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HUH? I tried playing and do not understand your issue... Maybe I am just not getting your issue... Example?

yes it is some 2x4s in closet around wall with piece of plywood on top. IF larg might have 2x4 down center for added support to plywood top. Might have hole in plywood for air flow into AHU...depends on setup.

draw in some other program and import? OR just draw in other program and give to cabinet maker and even add dims for him and cross sections.

have you tried setting 0 at the lowest floor level and then inside each room definition for those raised rooms to raise the floor? YOu are using a monolithic CONCRETE SLAB foundation right? Software loves stem walls to Zero level even for lowered rooms and garages.

The term for your type of wall is called PONY WALL as stated above. Bottom portion one type of finish and the top is another finish. Can be interior walls too. I know PRO has this.

why mess with framing as it is kinda generic... framing crews may start studs at other end or whatever I can pretty much say the one thing they do not do is look at framing plans for where each stud should go. They will look at Framing details for what the plans state for ceiling height, beams sizes, joist sizes, headers, corners and mainly roof framing details like knee walls, collar ties, etc. But to waste any time on locating studs; something behind the sheet rock and never seen and that pretty much has no bearing on home plans seems a waste of time to me...

if OCD then try inserting a STAIR LANDING.

why bother? Ignore framing not a big deal. but I would just put a tick shelf in there if you must.

Thats fine and dandy just fix the text to say good for X17 only. When the new HD 2026 comes out then add that to text and let the world know - kinda like advertising... thanks for reading

I have some issues with your false advertising which I think you can easily fix. EXAMPLE FEATURED catalog for BLUMSAFE - what a great idea let me down load and check it out. Says compatible with HD PRO so I cam good to go. WRONG.. Does not work as for CA latest only. Can you either put in proper download file for HD products or correct where you says it works with HD.. Have others like that too. BonusMEPToggleSwitches yeah more switches - WRONG unless you have CA.

I would turn off auto foundation and run BUILD FOUNDATION in plan view while on first floor. Then go down to 0 floor and see what happened. MAke sure you have FOUNDATION layer and maybe footings turned on in LAYER DISPLAY OPTION

how did you build foundation? Should use the BUILD FOUNDATION button.

what do you want it to be? Siding right? Well many ways one I like is take the Eyedropper thingy and use it to click on siding you want applied to this dormer say the siding on first floor. after you click it turns into a spray can. Spray the siding of the dormer and it will change to what you click on with eyedropper. Use HELP command to learn more on this feature.

Have you tried POST to BEAM? not looking at anything but normally if you have posts holding up something there will be a beam above it and normally, they are located like headers. Might be 2 2x12s or a laminated type beam all depends on the post spacing. Might give you what you want and it adds the beam which has to go below rafters anyways.

maybe bring the right rectangular window closer to the arched one.