This module allows you to set and validate quantity increments for individual product variations within Drupal Commerce. It works with products and can integrate with the shopping cart.
Commerce Quantity Increments is a small module on top of Drupal Commerce, that provides possibility to set and validate quantity increments on a per product variation level.
Requirements
Commerce Quantity Increments depends on Drupal Commerce of course, given a strict dependency on commerce_product sub module and a soft dependency on commerce_cart.
This module is only available for the Drupal 8 version of Drupal Commerce!
Credits
Commerce Quantity Increments module was originally developed and is currently
maintained by Mag. Andreas Mayr.
All initial development was sponsored by agoraDesign KG.