I tested the JAR file under Linux and Windows successfully. Maybe there are some side effects with the Java version.

Regarding a plugin: Just from looking into the source code I don't think that it is possible to implement it as a plugin.

@Dorin thanks for testing. Here are some screenshots where you can see how it works.

to 1.
Even when the base plan is locked it is possible to edit and move polylines and text.
https://gist.githubusercontent.com/AlbrechtL/bbda3e145da9f7225c5e2c8db45678e3/raw ...

Hi guys,

For my house planing I'm using this great application (thanks Emmanuel!). It is working very fine for walls and furniture. But for the electric installation planing it is not really going smooth. I used the electric symbols by Dorin (thanks!) and adapt it a little bit to my needs [1 ...

For everyone who want to try it. You can find a JAR file here: https://github.com/AlbrechtL/SweetHome3D/releases

I also solved point 2 by adding a check box to the level dialog. Now every level can be lock separately.

Code changes: https://github.com/AlbrechtL/SweetHome3 ... 4ab2fec0b9

For 1 I did a quick patch which works for me.
See here: https://github.com/AlbrechtL/SweetHome3 ... 98158f770d

I think the best would be to add a "part of base plan" check box to the label and polyline dialogs (like it inside the furniture dialog).

Hi Puybaret,

I‘m loving your program and we are using it to plan your new home.

From the current project I have two feature request.
1. Make it possible to have labels and polylines not only in the base plan.
I’m using text and polyline to comment furniture. To avoid to accidentally move walls and ...