Yes, you can use aluminum coils to make a tent or shelter. Aluminum is lightweight, durable, and resistant to corrosion, making it a good material for temporary structures. You can use aluminum coil sheets to create the frame and support structure of the tent, ensuring it's strong and stable. However, you'll need to add a waterproof and insulating layer, such as canvas or tarpaulin, to protect against the elements. Remember to consider the weight, wind resistance, and ease of assembly when designing your shelter.