Problems while using solid difference

hi , i am a new user of rhino and grasshopper , by using shared code by laurent_delrieu i want to create some 3d parts which have qr code embedded on them but i couldnt achieve it , if you open my gh file you can see it. Only some portion of cells are cutting. Could you help me about this issue. Thanks in advance :slight_smile:habib son çalış (12.9 KB)