The "proper paper" fragments provide a sequence of clicks or a specific coordinate to click on the map background to make the hex appear.
While the game encourages exploration, these are the common locations associated with the "paper" secrets: GemCraft - Chasing Shadows
Once you have collected the information from the papers, you must use it to find : The "proper paper" fragments provide a sequence of
Look for a blank space on the world map that doesn't fit the grid (usually in the bottom right area). GemCraft - Chasing Shadows
Look for subtle markings or peeling paper icons at the very edges of the world map.
If you are missing a specific piece, the Gemcraft Wiki maintains a full list of click-coordinates for every secret fragment.
Check the corners of the achievement or statistics menus.