Quick Guide: - Tap on the setting icon on the bottom left to start. - Set the desired paper size. - Choose paper color or leave it as original white color. - Tap on the Plus icon beside the Grid Config. - Choose either Grid, Horizontal line or Vertical line. - Grid Config page will show up. - Set Grid/Line Spacing as desire. - [Below the page show the total grids/lines will be generated. Use it as reference.] - Set other parameter such as line thickness, line color or line style. - Tap back to the main page for a preview. - Use the preview mode to check the grid paper as you can zoom and pan for detail. - After done, you can save it into the camera roll as image or save it as PDF files for print. Save Presets: - Once you are done all the setting. - You can save it into a preset by tapping on the preset button. - Tap on Save Preset. - Tap on any empty slot and the preset is saved. - You can Tap on any slot to overwrite if you want to. Load Presets: - Tap on the preset button. - Tap on Load Preset. - Tap on any Preset Slot and it will load automatically. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.