Tracking Table on a Curve

NB-tracking-tableThe table had to track downstage and pivot at the same time.  Two of the legs of the table were each in a separate track.  The motion was driven by the leg in the curved track, and the other leg travelled straight, acting as the pivot point when it reached the end of its track.

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Curved Flats

GGR-restaurant-d0To build these curved restaurant walls, the horizontal framing pieces were routed at the curve into 3/4″ plywood.  Since they only curve in one direction, the vertical framing pieces could be straight.

GGR-booth-wallsThe crowns of the walls were curved in two directions, so a series of ribs had to be cut, each at unique sizes, and then a flexible lauan skin curved across each plane.

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Tracking Piano

tracking-piano-d1This pianoforte had to track onstage remotely, with the hardware hidden as much as possible.  The casters I attached to the bottom of the legs had one leg of the frame that extended down into the track to function as a knife.  The rest of the hardware was hidden below deck.

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Lightbox Grids

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The producer for this event wanted a grid designed in structural pattern that was built around lightboxes already in Creative Visions’ stock. I designed several different variations in 3D in SketchUp, and the producer decided on the above modular design.

Due to time constraints and shop limitations, I outsourced the production of the grids to a steel fabrication shop. Because I would not be on site during the production, my drawings had to be clear and detailed enough to stand for themselves.

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The above drawing details the construction of each modular panel.

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This drawing details the brackets that would attach our lightboxes to the grids, and the fastening method.

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This drawing shows the construction of the feet.

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Because of the modular design of the grids, two different foot styles had to be built, one that would allow each grid to stand alone, and one that would allow another grid to attach directly beside it. The auxiliary feet and couplers also allowed the secondary grids to pivot up to 30° up- or down-stage.

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The final grids on stage during the event, using the couplers and auxiliary feet allowing an arrangement of three sets of three grids each.

All images on this page © 2009 Creative Visions, Inc.

Steel Bender

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At Radford University, I built this steel bender because of a recurring need for steel curves in our scenery. After reviewing two similar machines, I researched, designed, and built this one. The basic concept of this machine is simple. By pressing the steel to beyond its yield point and then rolling it through a series of rollers designed to withstand this force, one can create a slight curve in a steel beam. If this is repeated for several passes, a curve to virtually any radius can be created.

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A construction overview of the steel curve-bender, shown in three different orthographic views.

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A 3D isometric drawing of the steel curve-bender.

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The vertical supports held in place with a wooden jig and clamped down, ready to be welded.

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The completed carriage unit.

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The carriage unit about to be welded to the vertical supports and base.

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The completed steel curve-bender in action, about to bend a beam of 1″ x 1″ square tube steel.

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After about 25 passes through the bender and about 45 minutes of work, the steel beam has a diameter of about 3 feet.

Mirror Hutch

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As an assignment for my drafting class at Radford University, I was given the task of hand-drafting a construction drawing for the hutch pictured here.

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This is the plate I drew for the assignment, an isometric of the overall piece, with details of the spindles, cabinet doors, and trim. The drawing was used in the shop to build this for A Touch of the Poet.

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The completed hutch, built by another student from my drawing.