Move CAD2D object to Draft layer, for test concept.
Sample file in picture as attached file.

Use CAD2D object to display shear force diagram(SFD) and bending moment diagram(BMD). Use "SymPy" in FreeCAD 0.19.21775+ for calculate and send Vx and Mx value to "Command2d" in CAD2D. - Object named "S+Plan_Floor_2_dxf" import from dxf file. - Object named "Line1&...

Q1)The wall one is not working. -- I'm think, maybe, it made from class. Create new onw and copy "Command2d" and "Varaiable" properties to new one. and set Placement. Q2) Also wondering how to make it paramatic? Like you can choose to creat a 1210 window or 1510 window. ---- chan...

carlopav wrote: ↑Sun Jun 28, 2020 2:25 pm Nice tool!
Did you have a look at this thread? https://forum.freecadweb.org/viewtopic.php?f=23&t=46320

Very long discussion.

johnwang wrote: ↑Mon Jun 29, 2020 2:25 am Like this?

How to pick up a point and then insert a window?

CAD2D.zip

Thank you. I will learn to make like this.
It's very easy to use, better than create from script.

Test File for previous.

Now, I'm create CAD2D object as workbrench module. CAD2D_07_WinSection_Per.png 1. Under folder "c:\FreeCAD_0.19.21764-Win-Conda_vc14.x-x86_64\Mod\", create Folder named "CAD2D" 2. Copy 4 attached files below to "CAD2D" folder in (1).(Init.py, InitGui.py , PartChar.py, C...

CAD2D_02_DoorVar.png CAD2D object: ---------------------------------------- Cammand2d property is graphic2d script. L; x1,y1 ; x2,y2 --> for Line from point (x1,y1) to (x2,y2) R; x,y ; w,h --> for Rectangle lower-bottom point x,y and w=widht, h=height. A; x1,y1 ; x2,y2; x3,y3 --> for Arc define by ...

Wow! I love it. Rebar2_01.png import FreeCAD import Draft import DraftVecUtils from FreeCAD import Vector import ArchBaseRebar import ArchReinforcement """ import importlib importlib.reload(ArchBaseRebar) importlib.reload(ArchReinforcement) """ dia1 = 12 points=[ Vector...

From your dialog, I have some question.
1. How do I set the top rebars with L-shaped, "2-DB20"?
2. How do I set the bottom rebars with straight-rebar, "2-DB20"?