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The recent thread that asked "how close is your track to the edge?" got me thinking. My tracks are very close to the edge of the layout. This would not be an issue if I had some sort of edge support.

Can I design and build an edge support railing that was unobtrusive but still effective to support a derailed engine or car from tipping over and failing to the concrete floor below.   I saw earlier posts using Plexiglas strips in wood supports as a barrier but that seems a bit overkill and not very life-like.   I designed the following 3D support to print:

The supports fit close to my cork roadbed and up 2-1/8", the horizontal rod is 1/8".  So its flexible enough to go around curves, strong enough to support a tipped engine, high enough above the engine's center of mass to restrain it so it won't tip over, all without scratching the paint.

The supports have holes for screws or nails to hold it down on top and along the side fascia.

 

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brwebster posted:

Is 3D printing robust enough to withstand the derailment of 10 pounds of cruise controlled engine. or even the abuse by humans using said guard as a hand rail?  If technology has progressed to the point that 3D printed plastics has the strength of plexiglass, then have at it!

Bruce

IMHO, nope.  But then I haven't used every kind of 3D printers out there.

I too like the early industrial look. 

 But wonder if a smooth plexi or raised wood rail would not be gentler on the front or sides of the engines and rolling stock as it slams into the barrier at derailment speeds. The individual braces may 'cheesegrate' the paint.  If the rail could be flush mounted to the support brace on the inside it may avoid any unneeded damage to the trains. Just a thought. Do like the style.

Mark

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