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This can be self-taught.
Do more practice, and master the shortcut key use of the pre-family method and drawing virtual silver skills.
Is it a ceiling drawing?
Okay, I'll send it to you now, you remember to check! >>>More
Don't set the area so accurately, choose a bookstore of 89 square meters and a bookstore of more than 300 square meters.
If you ask someone to draw it for you, you may have to pay for it, because this picture is not finished in three clicks or two clicks.
I will bring the drawings you want, please leave your email. >>>More
In fact, your problem is not at all in the construction drawings of the living room, but in the fact that you can't draw node details, right, the node details of any space are not much different, and some can even be general, you enlarge a point in the top surface of your façade and draw its internal structure, which is the node detail.