To Increase time frames follow the steps 1) Go to Canvas menu, click on Properties 2) Properties dialogue box will open, then Click on the Time tab 3) In the End Time field you can type the number how much you want to increase (by default there is 120f. You can replace it by typing 500 to make it 500f ) 4) Then click on the Apply button 5) Then click on the OK button

Open Synfig Studio and create a new project or open an existing one.Click on the "Canvas" tab in the top left corner of the screen.In the "Canvas Properties" panel that appears on the right side of the screen, you will see a section labeled "Duration." By default, the duration is set to 5 seconds (150 frames) at 30 frames per second (fps).To increase the time frame, simply enter a larger number of seconds or frames in the "Duration" section. You can either type in the number or use the up and down arrows to adjust it.Once you have entered the desired duration, click the "Apply" button at the bottom of the "Canvas Properties" panel to save your changes.You should now see that the timeline at the bottom of the screen has been extended to accommodate the longer duration.