This addon is developed to make the interaction between blender and a cad program more easy. I use Qcad, I have tested a little with Librecad. You can choose any mesh plane (or multiple planes if they are coplanar) and export to the Cad program. There you can draw on the plane and when ready, import back to Blender. The drawing will be put on the starting plane.
This addon uses two addons that are shipped with Blender;
Be sure those addon are activated.
Install the Blendcad afther downloading;
After installation you can find BlendCad View3D:
Make as file
First choose or create a file where the dxf file has to be stored. This can be done in de DXF filebox. I used the name ‘swap’ because I often use the same file all the time, but any name will do.
The scale is to convert the blender units to the units in the cad program.
Scale 100 is if you want to use cm, scale 1000 for mm.
The imported drawing is first a curve, the resolution determines the division of the curve.
Select a plane
Now go to Edit mode and select the plane where you want to draw on
Then press the DXF export button. Blender is set to object mode, because the new created drawing is a new object.
The plane is saved in de DXF file, now you can open the DXF file in the cad program.
The exported plane will be shown , and you can start drawing.
Best practice to start drawing on a new layer. The contours of the original drawing should not be changed because they are used to reposition the drawing in Blender later on.
In the new layer you can also draw outside the original plane.
When ready, save the drawing and go back to Blender.
In Blender press the DXF import button, and the drawing will appear on top of the original plane. Every layer in the drawing is a new object. In the Outline there is created a new collection ‘Imports’, where the new drawings are placed. The drawings are meshed with no face.
Select one of the created objects and press; ‘to 3D mesh’.
The drawing will be transformed in a 3D shape.
In the pop up menu the height inside and outside the plane can be set.
If you want to use the new shape as cut boolean this is ‘inside’ will be the depth.
If you have two screens you can open the cad program in one screen and Blender in the other screen, this is a very convenient way of working. When you want to add something to the cad drawing after importing in Blender that is no problem. Just add new things and import again. Only when you start working on another plane the data of the position will be lost.
Finely be sure the rotation and the scale of the original object is applied.
|Dev Fund Contributor|
|Published||2 months ago|
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