Acanthopleura ravus, from Mseum für Naturkunde Berlin (Berlin, Germany). From pictures made and available on ZooSphere (http://www.zoosphere.net/sequence/151/Acanthopleura/ravus). This model can be compare with the one made with ReCap from AutoDesk (https://skfb.ly/6tBLM).
Make a mask for every pictures is a mandatory step with PhotoScan when the background is plain colors. Made with PhotoScan from Agisoft.
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