Step 1: Make the channel letter according to the font size.
For this, iron and stainless steel channel letters are commonly used. There are some brands that may choose to use custom plastic letters in large volumes however, the most common letter depth is 3cm (1.18”) to 10cm (3.93”).
First, the Co2 Mixed Laser Cutting Machine is used to cut out the metal base and the acrylic support base plates.
Secondly, the corresponding channel letter sidewall is bent by using an efficient channel bender machine.
Finally, the metal bottom plate can be welded to join the letter sidewall to complete a 3D channel letter by using a laser welder machine.