Version 4 of the cable gland consists in a split in half bolt design with alignment notches, inside grip texture and a mounting nut. The default (and STL) size is 8 mm inner diameter and 12 mm outer diameter. Can be customized with OpenSCAD. The main advantages of this version are:

• Simple, robust and scalable design
• Fully customizable in OpenSCAD
• Complete 3d printed solution, no need of additional hardware parts
• Easy to print as is, without supports
• Easy to mount thanks to the split in half design, alignment notches and mounting nut
• Inside texture provides better grip