How to Sew an Invisible Zipper in CLO3D Tutorial By the end of this video, you will know how to sew an invisible zipper on a skirt quick and easy in clo3d. We are going to sew the invisible zipper onto the skirt. To do so, go to the menu then select Materials and click on it. After that, com to the Zipper, hover your mouse over, then to the right click on Zipper. After we selected the Zipper, we will see this zigged zag line on the skirt which means we are ready to apply the zipper. Next, we are going to start sewing the zipper. Click once to begin then hover over the line and come down toward the zipper endpoint and double click to stop the zipper endpoint. Repeat the step on the opposite side. Click once on the starting point then double click to stop the zipper. To complete the sewing we are going to sew from the zipper endpoint to the bottom of the skirt. To do so, we are going to use a Free Sewing Tool for it. Come to the 2d workspace, then select the Free Sewing Tool in the toolb