You'll get this price if you or your organization are working on a tight budget. It represents our pure cost-recovery level—the minimum amount we absolutely need to cover our basic expenses.

You'll get this price for standard private or individual use. It is based on local market standards and ensures the fair and long-term maintenance of our house.

You'll get this price if you represent a company or wish to further support our mission. 
This tier helps our "social sculpture" grow by financing non-commercial areas of our work and enabling participation for those 
who can afford less.