Heart Petal Seamrog

This design is for a green three leafed seamrog or shamrock with heart shaped petals. This clover leaf design is usually worn as an adornment on your lapel. Wearing this St Patricks Day shamrock dates back to around 1681.

The heart shaped leaves and stem are made out of any color of green glass. Use some multi-colored green to add even more interest to the piece. Glassline paints are then used to give the impression of light reflecting off of the heart shaped petals.

I have placed a large dot in the center of my piece. Add other embellishments if desired.

seamrog, shamrock, clover leaf, st patricks day shamrock


  • Pattern
  • Green glass
  • White or light green Glassline paint
  • Glass cleaner of choice
  • Chap Stick or Beeswax
  • Glass saw
  • Fiber Paper
  • Kiln
  • Prepared kiln shelf
  • Protective glasses
  • Two part Epoxy
  • Pin Back

  • Directions:

    1. Draw and cut the model.

    2. Put the sections on the fitting shade glass and draw about the shape with a permanent pen. Generously coat the markings with beeswax or Chap Stick.

    3. A glass saw is desirable to cut out the design. Follow on the shape to retain the outline and all the meticulous details.

    4. Launder with soap and soak in clean water or use glass cleaner to remove all drawings and residue. Dry the items.

    5. Position the portions on a ready kiln shelf be sure to overlap the pieces so that they will fuse together. At all times grasp the glass by the rim to avoid fingerprints.

    6. Use some white Glassline paint to draw on the reflective markings. The paint needs to dry completely before firing the clover.

    7. Put the shelf into the kiln.

    8. Close the lid or door. Turn on the kiln.

    9. Observe the project at nearly 1325 degrees Fahrenheit. When glimpsing at your projects have on glasses with IR and UV protection.

    10. Once the project possesses your wanted appearance, switch off and unplug the oven. If the kiln is fabricated with dense fire bricks, you can permit it to cool off by itself. If however it is assembled with ceramic fiber, the oven must be kept on and monitored so that it does not cool off any more than approximately 300 degrees Fahrenheit an hour.

    11. When the pyrometer drops beneath 100 degrees Fahrenheit, the unit may be opened.

    12. After the fused piece has cooled to room temperature, add a brooch back. Adhere the brooch back with a two part epoxy.

    Seamrog pattern

    seamrog, shamrock, clover leaf, st patricks day shamrock

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