You can keep it simple by not having too many objects in the bathroom or adding more mirrors to make the space look bigger. Do not hang things on the walls because then it looks crowded.
Verticly striped curtains will make a small room look bigger.
The instrument used to make extremely small things look larger so humans can see them is a microscope.
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Installing a glass door bathtub in a bathroom can enhance the aesthetic appeal of the space, create a modern and sleek look, and make the bathroom appear larger and more open. Additionally, a glass door bathtub can make cleaning easier and provide a more luxurious bathing experience.
Frameless bathtub sliding doors in a bathroom offer a modern and sleek look, easy maintenance, improved accessibility, and can make the space feel larger due to their transparent design.
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Glass doors for a bathtub can enhance the aesthetic appeal of the bathroom, make the space feel larger, prevent water from splashing outside the tub, and provide a more modern and sleek look compared to shower curtains.
smaller tiles would make it look bigger
A bathtub coating can improve the durability and appearance of your bathtub by providing a protective layer that helps prevent scratches, stains, and discoloration. It can also make cleaning easier and give your bathtub a fresh, new look.
a neutral color or lighter color will make it look larger
Depending on how large or small it is, you can use foundation to even out the color, powder to cut down shine, contour powder to make it look thinner or shorter, or highlighter to make it look a little larger.
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