Requires Microsoft Visual C++ Redistributable for Visual Studio 2017: https://aka.ms/vs/15/release/vc_redist.x64.exe Keyboard Shortcuts ------------------ Ctrl+N: New document Ctrl+S: Save Ctrl+Shift+S: Save As Ctrl+O: Open Ctrl+Z: Undo Ctrl+Shift+Z: Save As F1: Switch to Select tool (select / move / delete points) Delete Delete selected point F2: Switch to Add Point tool (adding points to walls) F3: Switch to Wall tool (drawing walls) Backspace: Cancel last point Escape: Cancel all points