Test part of right wing of our North American P51-D Mustang We highly recommended Simplify3D slicer for this complex part and also Mattercontrol slicer works fine (for some slicers as slic3r... is this model too much complex) Please follow setting in this videoguide (use part for right wing): https://youtu.be/Ly4Y9lKVxak?list=PLcpmwpTOtMxSw1Zojy1pLHOgsYaGrVPEy Please and this is also usefull: https://youtu.be/54dsCfXCoeQ?list=PLcpmwpTOtMxSw1Zojy1pLHOgsYaGrVPEy Whole plane download here (further tech support included, we can help you with preparing files for your printer, userguide...): http://3dlabprint.com http://www.facebook.com/3dlabprintface https://youtu.be/_145eKO9rug?list=PLcpmwpTOtMxSw1Zojy1pLHOgsYaGrVPEy nozzle 0.4mm, PLA setting for first 0 - 2mm of print: layer height 0.25mm top layers 0 bottom layers 0 outline/perimeter 2 infill 0% skirt 2perimeter 1.5mm offset support off setting for 2 - 150mm of print: layer height 0.25mm top layers 0 bottom layers 0 outline/perimeter 1 infill 0% skirt off support off or please follow setting in this videoguide (use part for right wing)