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Trillium Dell at Harvard University Graduate School of Design

February 22, 2018:   Owner, Rick Collins delivered an educational presentation to a class of Harvard University GSD students on the topic of Timber Framing.  



Timber Framers Guild Annual Conference

West - June 1, 2018

Mt. Hood, Oregon


East - October 19, 2018

Virginia Beach, Virgina


Trillium Dell Offers Free "Lunch and Learn" Classes

Trillium Dell offers courses designed for architects and engineers who are interested in learning more about incorporating engineered timber into the design and construction of public and private spaces. Registered Journeyworker Timberframer and owner of Trillium Dell, Rick Collins presents this one hour course at the location of your choice.  Participants may earn credit hours towards the American Institute of Architects (AIA) Continuing Education System. A complimentary lunch is provided by Trillium Dell as part of the educational presentation.  To learn more and sign up for your "Lunch and Learn" email!


Aledo, Illinois Barn Relocation & Restoration

Trillium Dell dismantled, restored, and re-erected this c. 1870 barn multipurpose barn onto a new bank foundation at a new location. The barn was an early “scientific barn”, one which was influenced primarily by emerging agricultural technologies of the day. Indeed, the first owner of this barn, a Connecticut native and whaler, assumed a post at University of Illinois’ newly formed agricultural extension soon after establishing his new homestead in Illinois.

The frame sports 12”x12”x30’ corner posts made of Wisconsin white pine. The timbers have shipping holes, supporting the historical record that these timbers were picked up from the nearby town of Andalusia along the banks of the Mississippi River. The interior beneath the hipped roof is 42’ clearspan, supported by an impressive octagonal boss pin. The joinery is that of a master craftsman. Interestingly, the unusual rubic’s cube – like joinery requires all the walls to be stood up at once and pulled together, unlike the much simpler, traditional bent-by-bent raising afforded by standard joinery. The imaginative joinery displays a masterful grasp of timberframing, and is likely the reason this building remained standing despite severe water damage and neglect. Trillium finished restoration of this barn with a standing seam roof, cupola (replicated from an historic photograph), and antique hardware and doors.

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