I found this in the net and modified a little. DWG file for CNC/Laser cutting please download here https://drive.google.com/open?id=14fhq3uBtiUn8_WZ5OPr6PWy7Bvx6Og2k . 2D drawing is here https://drive.google.com/open?id=1jvUMxuDiTWr06q6-PNSXXpVPAcIn0Aza