Send the file to the laser and set your page size in the General properties tab. Next, click the Advanced tab and click the check box next to Color Mapping.
Click Edit Color and choose the black swatch (R:0, G:0, B:0). Set the speed and power to your test settings that went through only one layer of the fabric. Click the Add button.
Next, click Edit Color and choose the red swatch (R:255, G:0, B:0). Set the speed and power of your test settings that went through both layers of the fabric.
On a 35 watt Helix, we used black settings of 100% speed, 40% power. The red settings were 50% speed, 60% power.