Advice Curved front display case with trim - Woodworking Talk - Woodworkers Forum
 
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post #1 of 8 Old 06-26-2017, 10:27 PM Thread Starter
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Advice Curved front display case with trim

I am looking for some ideas and help making a display case that is attached. This is the display case designed for the Broadway play, Mary Poppins. For the front panel, I can use 1/4 birch or melamane, etc.. something easily bent around a frame. The trim though... that's another story. I'm looking for help since the angle resembles crown molding and it follows the curved profile of the front. I appreciate any help or thoughts... Greg
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post #2 of 8 Old 06-26-2017, 10:53 PM
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Probably the easiest way to make that is to make a form and laminate some bendable plywood around the radius to make the curved parts. The stuff comes in 1/4" or 3/8" thickness and it bends like rubber. When you laminate two or more pieces together it becomes more rigid. Once assembled you could cover it with veneer or plastic laminate.
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post #3 of 8 Old 06-27-2017, 12:33 AM
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For the "glass" I would use 1\8" polycarbonate (lexan). I set in to the curved channel, the use wood molding that has been steamed to curve. Tom

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post #4 of 8 Old 06-27-2017, 09:28 AM Thread Starter
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Thank you Steve.. I hope I dind't misunderstand your recommendation... Would a form be appropriate to make the top/bottom trim or the cabinet face? Since the top/bottom trim extends out at an angle (maybe 50-60 degrees just guessing???) and it follows the radius. I assumed I couldn't get that shape using a form... but it's possible at least I'm trying to visualize it in my head. Also, I wonder if the top/bottom edge of the trim could be constructed by mitering 1/4 bendable ply at the proper angle but one edge on the entire length is cut on the same radius as the cabinet? I hope I'm not confusing you. Thank you

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post #5 of 8 Old 06-27-2017, 09:30 AM Thread Starter
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Tom... fortunately, the 'widnows' will not be filled in at all... for the sake of clarity, the set designer and director said no glass! Thank you for your ideas though! Greg
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post #6 of 8 Old 06-27-2017, 09:39 AM
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Question curved vs segmented

Curved wood shapes can be made in either of 3 ways.
1. Use wide stock and saw them out.
2. Use a bending form and laminate thin strips.
3. Make a steam bending "oven" and bend them over a form.

Segmented shapes are just straight pieces joined at the appropriate angle for the number of sides.... for example, 360 degrees divided by 6 sides, for instance is 60 degrees included and 30 degrees on each piece. This is easier in that it's less labor intensive.

Which design do you prefer?

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #7 of 8 Old 06-27-2017, 09:57 AM Thread Starter
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Thank you for your ideas. Well, my preference would be to use one piece of trim stock IF (big if) it's within reasonable effort to cut one edge at the proper 'curved' radius (matching the face of the cabinet) But, second I like the laminate / bending option.
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post #8 of 8 Old 06-27-2017, 05:06 PM
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You may want to explore flex trim made from polyurethane. It may greatly simplify the job. Try googling flexible crown molding, flexible molding, or some similar search terms. Shouldn't be hard to find. You could even build up your own designs from various stock profiles. Good luck.
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