[1.12.2] A simple ClientEventSubscriber that automatically registers all your item models for you

ClientEventSubscriber.java

package io.github.cadiboo.examplemod.client;

import com.google.common.base.Preconditions;
import io.github.cadiboo.examplemod.util.ModReference;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.block.model.ModelResourceLocation;
import net.minecraft.item.Item;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.client.event.ModelRegistryEvent;
import net.minecraftforge.client.model.ModelLoader;
import net.minecraftforge.fml.client.registry.ClientRegistry;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.registry.ForgeRegistries;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import javax.annotation.Nonnull;

import static net.minecraftforge.fml.relauncher.Side.CLIENT;

/**
 * Subscribe to events that should be handled on the PHYSICAL CLIENT in this class
 *
 * @author Cadiboo
 */
@Mod.EventBusSubscriber(modid = ModReference.MOD_ID, value = CLIENT)
public final class ClientEventSubscriber {

	private static final Logger LOGGER = LogManager.getLogger();

	/**
	 * This method will be called by Forge when it is time for the mod to register its models.
	 * This method will always be called after the block and item registry methods.
	 */
	@SubscribeEvent
	public static void onRegisterModelsEvent(@Nonnull final ModelRegistryEvent event) {

		registerTileEntitySpecialRenderers();
		LOGGER.debug("Registered tile entity special renderers");

		registerEntityRenderers();
		LOGGER.debug("Registered entity renderers");

		for (final Item item : ForgeRegistries.ITEMS.getValues()) {
			if (item.getRegistryName().getNamespace().equals(ModReference.MOD_ID)) {
				ModelLoader.setCustomModelResourceLocation(item, 0, new ModelResourceLocation(item.getRegistryName(), "normal"));
			}
		}

		LOGGER.debug("Registered models");

	}

	/**
	 * Helper method to register all TESRs in
	 */
	private static void registerTileEntitySpecialRenderers() {

//		ClientRegistry.bindTileEntitySpecialRenderer(TileEntityExampleTileEntity.class, new RenderExampleTileEntity());

	}

	/**
	 * Helper method to register all Entity Renderers in
	 */
	private static void registerEntityRenderers() {

//		RenderingRegistry.registerEntityRenderingHandler(Entity___.class, Entity___Renderer::new);

	}

}