A friend that bites, this model Articulated Shark by McGybeer is so easy to print and works very well. People loves to get bitten by it. Print time: 2hours 28 minutes. slice: the slice provided is for ender 3 max without auto bed if the machine has UBL, do bed leveling with print temperatures and store those settings. Model link: https://www.crealitycloud.com/model-detail/620b64f2b864a8df6cb83591?source=5&isFree=false Print settings: Printer: Ender3 Max, Slicer: Creality 4.8.2, Nozzle: 0.4mm, Filament: PLA, Temperature: Hot end=210C, Bed= 90C (glue stick not required), Layer height: 0.2mm, Wall thickness: 1mm, Speed: Outer wall= 25, inner wall= 50, infill: 90, Flow: Outerwall= 100%, inner wall, infill= 102%, Line width: support interface, infill, outer wall=0.26mm, inner wall=0.74mm, Infill : Lines =5% (will give most support for top layers), Support: pattern= zigzag | density= 11%, Interface top and bottom = Lines | density= 18%, Offset: Z= 0.24mm, X,Y = 0.5mm, Retraction:3mm speed 25mm, Combing : all, Bed adhesion : Tabs, Thank you, Have a nice day, Regards, Sigma Designers