3d модель нард, шахматная доска для станка с ЧПУ

The size of the parts is 600x278x40 (each half).
The file format is STL and 3ds Max 2015 (for ease of editing, the 3d model is divided into separate parts).
Archive size 685 mb. Size after unzipping 2.16 GB (822 MB - file in 3ds Max, 1.34 GB - STL files).