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Here's the place for discussions about those 3D creations for Tguage...and lets not forget the trials and tribulations of designing and printing.

Example of printing with support material

Postby dkightley » Thu Jun 05, 2014 10:53 pm

Its not very often that I have to print something using one of the automatic features of the ReplicatorG slicing software, so I thought I'd show some pictures of one of the few times I've used it.

The part is one of the two arched end sections for the Bridge. Here's a link to a post on the Bridge thread showing the section: http://www.talkingtgauge.net/viewtopic.php?f=8&t=123&start=31
Support material on the extrusion process is actually thin webs of the printing material designed to break away when the printing is complete. Here's the part approx. 25% printed:
Img_1048_red.jpg
Img_1048_red.jpg (41.6 KiB) Viewed 1366 times

Most of what you see is support....but you can see three of the vertical columns in varying state of construction. And here's a view from the top showing the support material holding two of the three columns:
Img_1052_red.jpg
Img_1052_red.jpg (85.37 KiB) Viewed 1366 times

After just over 15 hours of printing, the final block of plastic emerged from the printer:
Img_1054_red.jpg
Img_1054_red.jpg (45.63 KiB) Viewed 1366 times

And after a slightly nerve-racking period armed with a chisel and a scalpel, I ended up with the final thing....and a pile of scrap plastic!!:
Img_1060_red.jpg
Img_1060_red.jpg (72.61 KiB) Viewed 1366 times

Material cost? About 30p....if that!
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk
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