The OpenBuilds ACRO System was developed to be the most accurate and cost effective positioning system in its class. The ACRO System incorporates the OpenBuilds V-Slot system and, therefore, has the unique ability to expand to multiple sizes creating a size configuration custom to your needs. Choose the size that best fits your workshop. This versatile system allows for precise positioning of many different mountable tools and attachments.

Realisation of my idea about a foldable collector for rainwater, which is light and easy to make. People around the world need water and can collect rain water with this collector. I made it for syria and all too.