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Laser Cutting - CNC",{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":138},{"category":5},{"category":138},{"category":27},{"category":27},{"category":138},{"category":138},{"category":72},{"category":158},"Photography,3D Printing - Laser Cutting - CNC",{"category":27},{"category":27},{"category":69},{"category":27},{"category":27},{"category":27},{"category":27},{"category":5},{"category":67},{"category":5},{"category":5},{"category":27},{"category":27},{"category":27},{"category":27},{"category":27},{"category":69},{"category":27},{"category":27},{"category":27},{"category":27},{"category":181},"Home Assistant",{"category":181},{"category":72},{"category":27},{"category":27},{"category":72},{"category":138},{"category":5},{"category":72},{"category":72},{"category":138},{"category":27},{"category":181},{"category":181},{"category":72},{"category":72},{"category":72},{"category":72},{"category":72},{"category":72},{"category":72},{"category":72},191,{"id":205,"title":206,"body":207,"category":138,"date":383,"description":384,"embedImage":385,"extension":386,"image":237,"intro":387,"meta":388,"navigation":389,"path":390,"seo":391,"series":385,"sitemap":392,"stem":393,"tags":394,"__hash__":398},"content\u002F2017\u002F08\u002F21\u002Fprinting-pac-man.md","Printing Pac-Man",{"type":208,"value":209,"toc":372},"minimark",[210,225,228,231,238,243,246,250,253,256,260,263,266,269,275,281,285,288,296,299,302,308,314,318,321,324,327,330,333,338,342,347,351],[211,212,213,214,224],"p",{},"I was watching a video on ",[215,216,223],"a",{"href":217,"rel":218,"target":222},"https:\u002F\u002Fwww.youtube.com\u002Fchannel\u002FUC_7aK9PpYTqt08ERh1MewlQ",[219,220,221],"nofollow","noopener","noreferer","_blank","3D Printing Nerd's youtube channel"," where he was printing a Pac-Man ghost (video at the end of this post).",[211,226,227],{},"It made me think that it could be fun to do something similar.",[211,229,230],{},"Here's what we're making:",[211,232,233],{},[234,235],"img",{"alt":236,"src":237},"The final result","\u002Fimages\u002Fposts\u002F2017\u002F08\u002Fresult.jpg",[239,240,242],"h2",{"id":241},"sizes","Sizes",[211,244,245],{},"On the graphic I found on wikipedia - both pac-man and the ghost are 14x14 pixels. That means - equal height and width and since they are symmetrical - depth too. So - the models were based on 5cm in each direction.",[239,247,249],{"id":248},"hanging","Hanging",[211,251,252],{},"The parts are designed to hang. They have a 2mm hole directly thru to allow for this.",[211,254,255],{},"There is a small recess at the bottom of each part to give space for a knot - but I didn't use that. I have found that for my printer a 2mm hole is just right to be able to jam a bit of 1.75mm filament in - so I used invisible thread (transparent plastic thread) and just pushed a small filament piece into each hole to hold it. I may glue them in place later - not sure.",[239,257,259],{"id":258},"pac-man","Pac-Man",[211,261,262],{},"Pacman is a sphere - so to avoid massive supports I decided to make him in two parts.",[211,264,265],{},"Each is a hemisphere with the mouth section removed.",[211,267,268],{},"Finally - there are two pegs (with relevant holes in his body) to hold it together. The mouth is angled at 45˚ so it prints OK without supports.",[211,270,271],{},[234,272],{"alt":273,"src":274},"Pacman parts","\u002Fimages\u002Fposts\u002F2017\u002F08\u002Fpacman.png",[211,276,277],{},[234,278],{"alt":279,"src":280},"Pacman parts - underside","\u002Fimages\u002Fposts\u002F2017\u002F08\u002Fpacman-underside.png",[239,282,284],{"id":283},"ghost","Ghost",[211,286,287],{},"The ghost is a simpler part - can be printed in one go without supports.",[211,289,290,291,295],{},"The base has some sharp points - if the first layer or so doesn't lay these down properly - start again - these ",[292,293,294],"em",{},"need"," to be correct otherwise they will lift and cause a very poor print. I moved the bed level closer than I usually would so that the first layer could only just extrude.",[211,297,298],{},"The cuts don't go all the way into the center - this gives a small ring that increases the base area - giving better bed adhesion.",[211,300,301],{},"Fill percentage needs to be enough to support the eyes and dome. I used 15% for the straight edge parts and then 30% for the sections with eyes and up to the top.",[211,303,304],{},[234,305],{"alt":306,"src":307},"Pacman ghost","\u002Fimages\u002Fposts\u002F2017\u002F08\u002Fghost.png",[211,309,310],{},[234,311],{"alt":312,"src":313},"Pacman ghost - underside","\u002Fimages\u002Fposts\u002F2017\u002F08\u002Fghost-underside.png",[239,315,317],{"id":316},"hanger","Hanger",[211,319,320],{},"Lastly - I needed something to hang it from.",[211,322,323],{},"The hanger is designed with 8 2mm holes in the ring and one in the center to attach to (I used the same attachment method of pushing the thread through and then shoving a filament piece in - then cutting it flush).",[211,325,326],{},"The larger holes are just because it looked boring as a straight ring.",[211,328,329],{},"I also took 4 threads from the edge mount holes (every other hole) to go up to a hanging loop (a keyring split ring).",[211,331,332],{},"The hanger has an outer diameter of about 175mm - since my build volume is 200x200x180 and I forgot and assumed that the X and Y were 180 :)",[211,334,335],{},[234,336],{"alt":317,"src":337},"\u002Fimages\u002Fposts\u002F2017\u002F08\u002Fhanger.png",[239,339,341],{"id":340},"_3d-printing-nerd-video","3D Printing Nerd video",[343,344],"youtube",{"id":345,"title":346},"_aTgmC1Ah00","3D Printing Nerd",[239,348,350],{"id":349},"stl-files","STL files",[352,353,354,362,367],"ul",{},[355,356,357],"li",{},[358,359],"download",{"path":360,"title":361},"\u002Ffiles\u002Fposts\u002F2017\u002F08\u002Fpacman.stl","pacman",[355,363,364],{},[358,365],{"path":366,"title":283},"\u002Ffiles\u002Fposts\u002F2017\u002F08\u002Fpacman-ghost.stl",[355,368,369],{},[358,370],{"path":371,"title":316},"\u002Ffiles\u002Fposts\u002F2017\u002F08\u002Fpacman-hanger.stl",{"title":373,"searchDepth":374,"depth":374,"links":375},"",2,[376,377,378,379,380,381,382],{"id":241,"depth":374,"text":242},{"id":248,"depth":374,"text":249},{"id":258,"depth":374,"text":259},{"id":283,"depth":374,"text":284},{"id":316,"depth":374,"text":317},{"id":340,"depth":374,"text":341},{"id":349,"depth":374,"text":350},"2017-08-21 08:39 +0200","I was watching a video on 3D Printing Nerd's youtube channel where he was printing a Pac-Man ghost (video at the end of this post).",null,"md","A pacman hanging mobile - why not",{},true,"\u002F2017\u002F08\u002F21\u002Fprinting-pac-man",{"title":206,"description":384},{"loc":390},"2017\u002F08\u002F21\u002Fprinting-pac-man",[395,258,396,397],"3d printing","fusion360","simplify3d","OYxC2qIXRcnoL-LRkTZtFWFxlo0lhigTfop2PJEqZJM",1775293008465]