Currently the smallest I can get my auto-nether portal breaker and lighter without looking up any tutorials : r/Minecraft
⚡Redstone Tutorial⚡: Auto Nether Portal | Minecraft Amino
How to Make a Nether Portal or End Portal in Minecraft
Amazon.com: Minecraft Multi-Nether Portal Glitter Motion Lamp | LED Light, Bedside Table Lamp for Desk | Home Decor Accessories And Room Essentials | Official Video Game Collectible | 12 Inches Tall :
minecraft java edition - Is there a way to shut down a Nether portal with redstone? - Arqade
Nether Portal in Minecraft: How to make & How they work