In the pictures shown here, you can see the lighting designs and the place where it is used.
You can see how the light works in the context that it is placed in.
You can see the proportion / size of the design in realtion to what is around it.
You need to draw your design within the context that it will be used. You can do this by either :
Taking a photograph of your design and putting into a photograph of the setting where it will be used. (you can use remove.bg to take out the background of your design)
You can trace an image of the place that your design will be used and then draw your design within that context. Maake sure the place stays a line drawing and your design has shading on it to make it stand out.