MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Looking for an example of an ammonite to show my son, I found plenty of articulated octopus models and several ammonite shells. This is my attempt at combining two of these (https://www.thingiverse.com/thing:2432614 and https://www.thingiverse.com/thing:637263) using SketchUp. It was a fairly hasty job and there's some compression of the shell (and not free articulation of the back limbs) but it was enough to make a model for my son (and one for our tiny local museum, which has a cabinet of fossils and models) and I thought I'd share it for anyone else who's interested. Even better if somebody wants to make a better version!
Prints well in PLA with no support but a brim to help with adhesion.
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
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and the Apple App Store.