I used my S120W to cut coaster blanks using black cast acrylic. I left the paper on during the cut. I peeled the paper off one side, did the acrylic pour on it and let it dry. I then sealed them with clear resin and let them dry. To remove the resin drips, I heated up the plastic on the bottom and peeled it off. I cut custom cork or felt backs with my XTool for the back, but they can also be left with no backer. Everyone loves them.
Choose Heart Shape from XCS and size to your liking. When expanding, hold down shift to ensure it resizes correctly. I use about a 4 to 4.5" heart.
Copy and paste your hearts to ensure you have as many arranged as you would like to cut.
Use XCS to mark the area you will be cutting and ensure your shapes are in that area. I like to add small things like earring shape SVGs to my negative space so I don't waste it. Make sure you set your distance sensor.
Highlight all on the sheet or layer and set to cut at 100% power, 3 speed, 1 pass. Some suggest that turning air assist off is helpful. I have ha good results with that, but I also use my xTool inlin fan.