Manufacturers of kitchen appliances like toasters typically design their products based on common industry standards and the average size of sliced bread available in the market. They aim to accommodate the majority of bread sizes and shapes to meet the needs of the general consumer population.
However, it is essential to understand that bread sizes can vary regionally and between different brands. Some toasters may be designed to fit specific types of bread better than others, but it's not common for toaster manufacturers to consult directly with individual bakers or bread producers.
If you find that your favorite sliced bread does not fit in the toaster slots without trimming the crust, it could be because the bread is larger or taller than what the toaster can accommodate. In such cases, you may want to look for a toaster with wider or adjustable slots that can handle larger bread slices.
Alternatively, you can check the toaster's specifications or reach out to the manufacturer's customer support to inquire about the slot dimensions before making a purchase. Some higher-end toasters offer extra-wide slots or even slots that automatically adjust to the bread's thickness, making them more versatile for different bread sizes.
If you're unable to find a suitable toaster that fits your favorite bread, you may need to consider adjusting the type of bread you buy or consider using a toaster oven, which often has more flexibility in accommodating various bread sizes and shapes.