Patterned wallpaper designs which have a very light color such as white and light yellow will make a small room appear larger. These ideas are backed by organizations such as Home Needs.
It does not appear that you can submit your barbecue designs to a manufacturing company normally. The only way would be if the company was running a contest asking for designs, then you could submit yours. If you want, you can submit your designs online to smaller bbq forums for consideration. Possibly a larger company will see it from there.
When you paint a room, white makes the room appear to be larger. Horizontal stripes also make a room appear larger.
To find a widescreen wallpaper, going to Google Images would work. In Google Images, click on Search Tools and then click on Size and go to Larger than the certain size needed for the widescreen wallpaper.
It can do but it is all in the mind as you know. The same applies to wallpaper. you hang wallpaper with narrow stripes it will make the room look smaller. hang w/ paper with wide stripes it will make the room look larger.
What makes a image larger in cells?
larger
zoom
how much larger than normal does an object appear with lower power objective?
waxing
Upside down and larger.
a microscope
it will appear twice as large because you are also seeing a reflection of the room.