Parametric Customisable Can and Jar Stacker

This is an expansion on my Soda Can Stacker, and gives a lot more flexibility in design.This customiser allows flexibility to create short or tall sleeves for stacking jars, cans, soda cans etc. as well as creating stackers in a matrix for six packs, 8 packs etc. It also allows inclusion of a flat shelf ring between the upper and lower parts if required to keep the stacker in the right place (such as the included Jar Stacker and Tin Can Stacker). Create a short sleeve to sit on a can, jar, soda can etc. which allows another similar can or jar to be stably stacked on top. Great for stacking individual cans 2 or 3 high in a fridge or pantry. Create a taller matrix caddy (e.g. Soda Can Six Pack) to fill with cans - sit another filled caddy on top for a very stable block stack (e.g. stack of 12 if using two six pack caddies). Great for stacking in your car fridge/caravan fridge/cooler bin/caravan cupboard etc. where there's movement and you want to keep your jars and cans steady and st