The new version (2.0).

The new version adds many new features.

1 - The "Search" panel. By the name you can find the necessary organs, vessels and so on.

2 - The "File" panel. Here you can save the state of the program to a file. You can to save some view to file, and then can to open it.

3 -  In the left panel we change most of the text buttons to the graphics buttons, which improved the perception of the interface.

4 - Selecting objects much faster. When you hover over objects immediately pops up the name of the object under the cursor.