Similarly , when superimposing two identical layers of randomly scattered dots at a small angle or with a small scaling difference random dot Glass patterns , namely random dot moiré , appears .

When superimposing two identical layers comprising randomly spaced parallel lines , at a small angle or with a small scaling difference random line moiré patterns , namely line Glass patterns -LRB- after PERSON@1 , NUMBER@1 -RRB- appear .
