Crafting using Invar Bolt, Invar Rod, Invar Bolt, Invar Rod, Invar Rod, Invar Bolt, Invar Rod and Invar Bolt, arranged in the pattern shown. Produces 2× Invar Ring.
Crafting 
Invar Ring ×2 guaranteed Invar Ring
Modern Industrialization · by Azercoco, Technici4n
Invar Ring is a item from Modern Industrialization, crafted from Invar Bolt and Invar Rod.
Acquisition
Crafting Invar Ring ×2 guaranteedUsed in (1)
Crafting using Invar Plate, Invar Bolt, Invar Plate, Invar Bolt, Invar Ring, Invar Bolt, Invar Plate, Invar Bolt and Invar Plate, arranged in the pattern shown. Produces Invar Gear.
Crafting 
Invar Gear guaranteedDeveloper reference
- Registry name
modern_industrialization:invar_ring- Namespace
modern_industrialization- Mod ID
modern_industrialization
Recipe JSON (1):
{
"recipe_type": "minecraft:crafting_shaped",
"pattern": [
"bRb",
"R R",
"bRb"
],
"ingredients": {
"R": {
"tag": "c:invar_rods"
},
"b": {
"item": "modern_industrialization:invar_bolt"
}
},
"conditions": [],
"sequence": null,
"group_name": null,
"experience": null,
"cooking_time": null
}