
You can get GeoGebra to let points to capture the grid points, so it's suffered nemmere that construct shapes.
- Go to Settings.
- Press 'Catch point'.
- Choose, what GeoGebra to Gore.
- Try thee suffered from between Automatic, Catch the net, Lock to lattice and From.
- Try the low polygon after every time you lichens on the, whether GeoGebra should capture points to the grid.