Appleton Pavilion

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  • 1-9 Trillium Dell Timberworks logo, named after the three-petalled trillium flowers that grow in that part of Illinois, USA. Owners Rick and Nicole Collins' motivating ideals: Inspiration, Craftsmanship and Sustainability are the driving energies at their farm and timber-framing workshop in Knox County.

  • 2-9 The octagonal pavilion test assembled at Trillium Dell Timberworks with a small hexagonal frame in the background. The frame has four open sides, three cross-braced panels and a 'porch'. The cross-braced panels function as stabilisers for the pavilion's posts.

  • 3-9 The pavilion's porch viewed from the frame's interior. The porch gable has four lapped timbers, each with a V notch cut away so that when assembled they form an octagon star. The pavilion's eight posts are linked through two sets of square tie beams with the upper ties crossing and resting directly on the lower ties (see the top of the photograph).

  • 4-9 The pavilion bracing timbers are configured in pairs crossing each other in mirror image. Each of the timbers has a V cut so that when connected they form a central octagon star. The timbers are half lapped so that their surfaces are level and the rigidity of their bracing is stronger.

  • 5-9 Once the frame is test assembled to check the accuracy of the joints it is traditional for a living branch to be fixed at the apex of the frame in a symbolic re-instatement of the full tree. Usually the branch is nailed in place by the youngest person in the team, at Trillium Dell it was Asher, Jordan Finch's son (Jordan was a tutor on the course) and Liam, Rick Collins' son. The tradition expands to include photographs of the team on the frame.

  • 6-9 The Pavilion's octagonal centre pin, cut from walnut, supports the eight radiating collars and principal rafters. The pin has two related octagonal sections, heavier where the collars and principals join it and lighter in the distance between them. The transition between the two octagonal sections forms a series of interlaced triangles.

  • 7-9 The structure of the Pavilion as night fell and artificial lighting was switched on. The boundary ring of two overlapped squares can be seen, illuminated at the background and in shadow in the foreground. One of the cross-braced side panels is visible on the lower right.

  • 8-9 The interior illuminated by artificial light. The cross-braced wall panel in the foreground stabilises the frame against strong wind loads and gives a sense of boundary to an otherwise open-sided building. Once the frame is erected on its permanent site (at Appleton community, Knoxville) and roofed the frame's roof structure will become invisible from outside.

  • 9-9 Welcome beacons in the night, the celebratory bonfire and illuminated frame on the project's final evening. The bonfire is a reminder that the Pavilion's final location will be adjacent to the Volunteer Fire Service building in Appleton community and will be a fund raising venue and focus for their essential work. The full story of the project is currently in preparation and will appear soon in ARTICLES.

    Laurie Smith's website