Tourmaline Cabochons 6mm round chain making Curves set includes six stencils:

Curves set includes six stencils:

Safety Data Sheet    Instructions

There are 8 intersection lines radially spaced from the center circle

Heat guns like the one linked are often used to soften Thermo-lock  when using it to set stones or hold items for engraving

Beautiful 12mm  Citrine Cabochons

Tourmaline Cabochons 6mm round chain making Curves set includes six stencils:*Limited stock 6mm Vintage tourmaline Cabochons Tourmaline is one of the birthstones for October. Tourmaline gems typically originate from elbaite, a mineral of the broader tourmaline family. Tourmaline gemstones are hard and often transparent, with varying colors due to trace minerals unique to each gemstone's region of origin and geology .