18650 Battery holder for table or shelf storage

This is a simple 18650 battery holder for storage on a shelf or table. The design is adjustable using OpenSCAD, so dimensions, safety margin and number of batteries can be customised as needed. The attached file is designed for 16 batteries. Besides acting as a holder, this product can also be used as a battery cover if the dimensions are set to 1 and the hole is carefully cleaned.