Anteaus, cnlson, and Sherminator18 talk about getting into 3D Printing of Geocaches for the two hundred fifty-ninth edition of the GeoGearHeads. They focused on the FFF/FDM style 3D Printers and talked about the Makerbot Replicator 2, Malyan M150, Monoprice Select Mini 3D Printer, portabee go, Powerspec Ultra 3D, and Wanhao Duplicator i3 they've used. Limax email about the safety of birds around 3D Printers. cnlson found the Science Direct article which provided a little insight into the hazard of the particles. They went through several of the materials used in FFF printers (ABS, PLA, PETG, Nylon, TPE, and TPU). For sealing, Anteaus recommends the Krylon Crystal Clear (and Rite-in-the-rain logs). Some more tools mentioned are; Slicers Cura Slic3r Simplify3d craftware All3DP's list CAD OpenSCAD TinkerCAD Sketchup Blender Netfabb Wikipedia's list Printer Control OctoPrint Model Sources Thingiverse Myminifactory 3Dwarehouse GrabCAD Pinshape Some good references for print quality troubleshooting are on All3DP and Simplify3D. There's also help on finishing the prints on Makerbot. The extra conversation can be found on Patreon. The live video session from this Google+ Hangout On Air can be found on YouTube. Subscribe to the feed: iTunes RSS Stitcher Social Media: Email: GeoGearHeads@CacheAManiacs.com