How to thicken foil lines in silhouette studio with the foil quill Posted on 4th October 2019 *Medium foil tip used. 1- Open silhouette studio. Click on the file drop down menu. 2- Select open. 3- Select your design. 4- Select the design you would like to foil with thicker lines. 5- Resize your design. 6- With your design selected, right click and either ungroup your design, or if you cannot do this release the compound path. 7- With all the design selected, click on the offset tool. 8- Click the offset icon. You will see that all the lines now have an offset. 9- Adjust the spacing so the offset is almost on top of the original lines. Apply. 10- With the new offset still selected, click the offset tool again. Once again you will see a offset on top of the 2nd offset. Adjust the offset once more to almost touch the lines. 11- You can repeat the above technique to make the line as thick as you would like. Once you are happy, select everything and then right click and group. 12- As you can see, below is the original and the design with the thicker lines. You can see a clear difference in thickness. 13- Go to the send screen. Choose your media and adjust the speed and force for the media you are using. Make sure the sketch pen is selected. 14- Send to your silhouette machine. 15- As you can see here foiled, the top design which had the thicker lines is clearly more defined than the original design.