BLDG 61: Boulder Library Makerspace

BLDG 61 - Under Construction

BLDG 61 is an all-ages public workshop located in the 1961 portion of the Main Library that is dedicated to hands-on learning and cultivating valuable experiences in the community through making.

Event Calendar & Hours

We offer a variety of workshops, classes, and trainings at the makerspace. These events occur on Wednesdays through Sundays. BLDG 61 is closed on Mondays and Tuesdays. Our event calendar has a list of events for the upcoming month. To find out when new events are posted, be sure to subscribe to our newsletter.

BLDG 61 Event Calendar BLDG 61 Newsletter Signup
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Gallery Exhibition

A gallery show that celebrates the work of the designers, scientists, artists, engineers, and craftspeople that comprise our maker community. Showcased work will include printed materials, three-dimensional objects, kinetic, and interactive projects.  For more information, see the Maker Made 2017 exhibition page.

Maker Made Gallery Reception: December 15th, 6-8 PM
Maker Made Show Duration: December 15th – January 28th

Makerspace Use

BLDG 61 is an all-ages makerspace. Programming will be offered for children, teens, and adults, as well as for families and all-ages groups. Age restrictions will be specified on the calendar when you register.

Access to equipment typically occurs as part of a themed workshop or scheduled guided practice.

Please review our makerspace policy and fill out our release form before attending your first event. We’ll need it on file for you to participate!

Release Form BLDG 61 Policy

Event Types

  • Workshops: offered to patrons interested in specialized equipment and class focused content.
  • Tool Orientations: offered to patrons interested in gaining experience on specialized equipment; prerequisite to attend Guided Practices.
  • Guided Practices: register for these sessions after attending the Tool Orientation for specialized equipment and start working on your own personal projects and building fluency with the equipment. Staff is available to facilitate proper use of equipment and answer questions. Some restrictions apply for time allotted on machines.
  • Drop-In Hours: are an opportunity to come by and check out the space. Staff is present to offer introductory tours and process 3D printing requests.


    All library sponsored programs, trainings and events are free! Patrons attending Guided Practices or Drop-Ins will need to bring their own staff-approved materials or purchase materials from BLDG 61.


    • Fiber: sewing machines, spinning wheels, looms, screen printing, and more
    • Lasers: 40 & 75 Watt CO2 Epilog laser cutters
    • Shop: CNC machine, table saw, band saw, drum sander, drill press, chop saw, hand tools, and more
    • Other: 3D printers, vinyl cutter, computer design software, electronics workbench, and more


    If you are interested in joining our team of volunteers, fill out the library volunteer application and our volunteer coordinator will be in touch.

    Volunteer Application

    Contact Us

    If you have more questions about BLDG 61 or want to get in touch with makerspace staff, use the following form.


    BLDG 61 was made possible through a generous grant from the Boulder Library Foundation.