Determine the size and layout of the camper based on your specific needs and the size of the vehicle you plan to use.
Build the base of the camper using wood or aluminum framing.
Construct the walls and roof using plywood or aluminum sheets.
Install a 12-volt electrical system and any necessary lighting, outlets, and appliances.
Finish the interior with materials such as paneling, flooring, and cabinetry.
Add any necessary accessories, such as awnings or storage compartments.
Test all systems and make any necessary adjustments before using.