Athanor by arbastro
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How to use grids, paper and guides

Choose View › Show grid, or View › Paper for Grid, Dots, Lined, Isometric or Hex paper. View › Rulers lets you drag guides; Clear guides removes them. Snap to angles and Smart guides are in the same menu.

Paper

  1. Choose Main menu › View › Paper.

    The Paper submenu: Grid paper, Dots paper, Lined paper, Isometric paper and Hex paper.The Paper submenu: Grid paper, Dots paper, Lined paper, Isometric paper and Hex paper.

  2. Pick a paper. It is drawn behind everything on the canvas.

    Benzene on isometric paper.Benzene on isometric paper.

View › Show grid turns the plain grid on and off; the grid button in the top bar does the same.

Rulers and guides

  1. Choose Main menu › View › Rulers.
  2. Drag from a ruler onto the canvas to place a guide.
  3. View › Clear guides removes every guide.

Snapping

  • View › Snap to angles keeps bonds at fixed angles and lengths as you draw. The magnet button in the top bar does the same.
  • View › Smart guides snaps what you move to other objects on the page.
Drawing basicsHow to draw bonds and chainsPress D for the Bond tool. Click empty canvas for a bond, then click an atom to grow a new bond from it. Press G for chain and drag to pull out a zigzag chain; the carbon count follows the pointer, and Shift locks the direction.

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Last updated Nov 12, 2026