ARL has released Rapid Fabrication/Makerspace Services, SPEC Kit 348.
Here's an excerpt from the announcement:
ARL has released Rapid Fabrication/Makerspace Services, SPEC Kit 348, an exploration of current ARL member library engagement with 3-D printing, rapid fabrication and digitization technologies, and makerspaces. This study covers the types of services libraries offer, the location of these services, the hardware and software that is available for users, service hours and staffing, user outreach and training, budget and funding, and evaluation of the services.