How to make a correct channel letter file is very important part for letter bending machine and the final effect of letter.
1.Machine will work more faster and smooth
2.Post processing will be more easier after machine bending
3.The aluminum surface will be more smooth and clean,and the letter will be more beautiful and delicate( see picturer y below,correct and wrong file difference)
4.In this way ,Increase the efficiency of making letters
Even if a complicated letter,if you make it in a correct file,we can easy make.see in picture 20cm font channel letter file in correct.