Cluster Prongs
This lesson will focus on the Prongs Tab.
Starting with the Prongs Tab:
Mode: 3º

Now, for the Internal Prongs:
Diameter: 1.3 mm
Distance: 0.9 mm
Height Over Girdle: 1 mm
Height Under Girdle: 3.6 mm
Move in Z: 0
Gems Extension for Manufacturing: 0.5 mm
These internal prongs will securely hold the gemstones in place while keeping them aligned.

The External Prongs:
Diameter: 1.4 mm
Distance: 1.2 mm
Height Over Girdle: 1.1 mm
Gems Extension for Manufacturing: 0.5 mm
Move in Z: 0
Central External Prong
Now, let’s set up the Central External Prong:
Diameter: 1.1 mm
Gem Inside: 0.1 mm
Height Over Girdle: 0.7 mm
Gems Extension for Manufacturing: 0.5 mm
Move in Z: 0
These external prongs secure the cluster and give a refined, stable look to our design.

Video Lesson
Next Step
Setting Up the Main Gem Rail Tab
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