http://jan-buehring.de/wheekdraw_v_0_3_2.zip
its a tool that maybe could been used for a Procerssing pde code for drawing, saved in his own code, or may one day a wysiwyg gui maker.
you need Processing 3.5.4
change Folder path in wheek
and start bat
klick left and drag mouse for recktengel
klick left and drag mouse for recktengel while pressing l for left klick bnutton
klick left and drag mouse for recktengel while pressing r for Right klick bnutton