TriFill is a simple, relatively constrained coloring activity. Despite its simplicity it provides ample opportunity for creativity, exploration of symmetry and color harmony. Anyone from a young child with basic mouse skills to an adult looking for a relaxing pastime can find enjoyment with TriFill.
Things You Can Do | How To Do Them |
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Select a color | Use the Color Spelunker on the left to pick a color. See the Color Spelunker instructions for more details. |
Color a triangle | Enable coloring by clicking ![]() |
Erase a triangle | Click any triangle with the right mouse button instead of the left. |
Change the background color | With coloring enabled and the desired color selected, click in the area just outside the triangles. |
Get the color from a triangle | Enable color pick-up by clicking ![]() |
Select a group or triangles | Enable selection by clicking . With the mouse positioned slightly above and to the left of the triangles you want to select, press the mouse button then drag down and to the right. Release the mouse when the selection marquee surrounds the desired triangles. |
Move selected triangle colors | Move the mouse inside the selection outline, press, drag to the desired location and release. Preexisting triangle colors at the release location will be overwritten. |
Copy selected triangle colors | There are two ways to copy.
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Flip or rotate selected triangle colors | Click on any of the flip ![]() ![]() |
Change the number of triangles | Click the up or down arrow adjacent to the “Count” value appearing above the main drawing area. |
Undo changes | Click ![]() |
Redo changes | Click ![]() |
Start a new drawing | Click to start a new drawing. If the current drawing hasn’t been saved you will be asked whether to save or discard it. |
Replay activity | Click ![]() |
Save a drawing (Not available on Mac) |
Click ![]() ![]() |
Export a drawing (Not available on Mac) |
To export a drawing to a file of your choosing, select the drawing by clicking its thumbnail in the Saved Drawings area then click ![]() |
View previously saved drawings | Click on any saved drawing to see it full size in the main display area. |