// Tesseract
craftingTable.removeRecipe(<item:tesseract:tesseract>);
craftingTable.addShaped("tesseract_block", <item:tesseract:tesseract>, 
[[<item:minecraft:obsidian>, <item:mekanism:ultimate_control_circuit>, <item:minecraft:obsidian>], 
[<item:mekanism:alloy_atomic>, <item:mekanism:teleportation_core>, <item:mekanism:alloy_atomic>], 
[<item:minecraft:obsidian>, <item:mekanism:ultimate_control_circuit>, <item:minecraft:obsidian>]]);