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Tools to aid in building complex sprues (trees)

I'm preparing a prototype run of about 50 sets of a six-part device in SLS. The device is small, and so the 50 sets will fit within the printer's bounding box.

I've found a compact geometry to pack the six parts, and am now making the sprues (trees) to hold the parts together. Then, all 50 sets need to be held together by trees. Clearly, most of these trees will be copies of other trees, but I was wondering if anyone had a tool or automation for building the tree structures in AD. Most of the surfaces available to connect on the tree are not flat, which makes the tree construction more difficult.

If there's not an automated tool out there, then some advice on the best strategy to manually build the trees would be much appreciated!

Thanks very much,
David
 
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