[{"data":1,"prerenderedAt":538},["ShallowReactive",2],{"project-26503715":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":20,"keywords":22,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":33,"aspects":34,"strip":45,"post_text":48,"what":49,"said":84,"maker_in_thread":168,"shape":177,"grid":181,"attempts":499,"same_week":500,"maker_shows":32,"maker_hidden":530,"reader_version":531,"card":532},"26503715","LitiHolo","a desktop 3D hologram printer that makes true holograms","title","Show HN: LitiHolo – a desktop 3D hologram printer that makes true holograms","http:\u002F\u002Fwww.litiholo.com\u002F3d-hologram-printer.html#3DHologramPrinterStory","litiholo.com","hologram-paul",1616081626,2021,180,121,263,2533,11,"notable","hardware","desktop hologram printer",[23,24,25,26],"holography","hologram printer","laser holograms","hogel","curious",0.009,{"positive":30,"neutral":31,"mixed":32,"critical":18},12,25,2,50,{"execution":35,"privacy":38,"performance":39,"design":41,"idea":42,"docs":43,"pricing":44},{"positive":36,"critical":37},0,1,{"positive":36,"critical":37},{"positive":37,"critical":40},4,{"positive":37,"critical":37},{"positive":40,"critical":32},{"positive":36,"critical":36},{"positive":32,"critical":37},[37,37,46,47,46,46,47,47,36,47,46,47,47,37,47,47,47,37,36,47,46,46,37,46,47,37,36,36,47,46,37,46,37,47,47,47,37,36,37,47],5,3,null,{"problem":50,"audience":60,"pricing":71,"motivation":76,"time_to_build":48,"stack":81,"openness":82,"stage":83,"team_size":82},{"value":51,"source":52,"evidence":53},"Makes holograms accessible without sending work to a hologram service","maker",[54,57],{"id":55,"by":11,"text":56},"26636336","This is our first step in providing the hologram machine itself to make your own holograms, rather than sending off to a service to make one for you. We think having this as a…",{"id":58,"by":11,"text":59},"26503720","Hello again HN! 12 months ago I told you LitiHolo (I’m the founder) was working to create a 3D Hologram Printer, and asked for your input. Well, we built it! I've been involved…",{"value":61,"source":52,"evidence":62},"Makerspaces, educators, artists and holographers",[63,67,68],{"id":64,"by":65,"text":66},"26504346","DivisionSol","I'm on the verge of contributing to the Kickstarter, trying to get a sense of what I'm seeing: 1) http:\u002F\u002Fwww.litiholo.com\u002Fimages\u002Fbuzz-on-the-printer-crop-809x1000.jpg Wondering…",{"id":55,"by":11,"text":56},{"id":69,"by":11,"text":70},"26504281","I definitely want holograms of my kids! (part of why I wanted to build this all along)",{"value":72,"source":73,"evidence":74},"Kickstarter; commenter cites $1,600 price","commenter",[75],{"id":64,"by":65,"text":66},{"value":77,"source":52,"evidence":78},"Bring hologram technology to more people, as 3D printing did",[79,80],{"id":58,"by":11,"text":59},{"id":55,"by":11,"text":56},[],"unknown","launched",{"praise":85,"objections":103,"requests":129,"questions":145,"alternatives":158},[86,94],{"value":87,"source":73,"evidence":88},"Cool and novel idea for makers and niche stores",[89,90],{"id":64,"by":65,"text":66},{"id":91,"by":92,"text":93},"26504048","KlinkEastwood","The part of me that is still a kid in the 90s that thought DBZ shirts were the epitome of style is thinking this is the coolest thing I've ever seen.",{"value":95,"source":52,"evidence":96},"Real holograms, viewable with white light",[97,100],{"id":98,"by":11,"text":99},"26507446","These are reflection holograms. Also sometimes called white-light holograms because they can be viewed with a regular spot light, sunlight, or even a smartphone flashlight.",{"id":101,"by":11,"text":102},"26504425","Where the 3DS is lenticular, these are real laser-formed holograms, and can be seen by multiple viewers without any headset or other gear. Right now view zone is 45 degrees.",[104,111,118],{"value":105,"source":73,"evidence":106},"Hogel size of 1 mm looks coarse",[107],{"id":108,"by":109,"text":110},"26508132","lokl","Very interesting, but the 1 mm hogel size is a bit disappointing. Do you think you can improve this? How much?",{"value":112,"source":73,"evidence":113},"Unclear practical application beyond novelty",[114],{"id":115,"by":116,"text":117},"26504222","larinzod","Cool idea. But I'm not seeing a practical application outside of the \"hey this is cool!\" factor.",{"value":119,"source":73,"evidence":120},"Only horizontal parallax; looks like lenticular",[121,125],{"id":122,"by":123,"text":124},"26504631","BeniBoy","What I think is missing from the demo is that we can only see \"lateral\" movement, which is the reason why many people here think this looks like a lenticular display. If that is…",{"id":126,"by":127,"text":128},"26506417","btbuildem","OK, so it's not a true hologram -- you cannot rotate it in multiple different ways to see what's on the other side, how does it look from the bottom, etc. It's a sequence of…",[130,134,138],{"value":131,"source":73,"evidence":132},"Full-parallax viewing",[133],{"id":122,"by":123,"text":124},{"value":135,"source":73,"evidence":136},"Open source firmware and toolchain",[137],{"id":64,"by":65,"text":66},{"value":139,"source":73,"evidence":140},"Analog film kits",[141],{"id":142,"by":143,"text":144},"26507294","zokier","Hi, cool release! Now that the printer is out, are you considering bringing back the \"analog\" film kits that were demonstrated e.g. by The Thought Emporium here:…",[146,150],{"value":147,"source":73,"evidence":148},"Whether the artifacts and fingerprints in demo holograms will persist",[149],{"id":64,"by":65,"text":66},{"value":151,"source":73,"evidence":152},"Whether holograms can be printed full-plate or large",[153,154],{"id":64,"by":65,"text":66},{"id":155,"by":156,"text":157},"26510575","unkulunkulu","I wonder if it’s possible to impress unrelated images on the hologram as opposed to a consistent view of a 3d object. Also, is it possible to print a large hologram lets say a…",[159,164],{"value":160,"source":73,"evidence":161},"Lenticular displays and 3D prints",[162,163],{"id":122,"by":123,"text":124},{"id":64,"by":65,"text":66},{"value":165,"source":52,"evidence":166},"Nintendo 3DS style lenticular displays",[167],{"id":101,"by":11,"text":102},{"comments":169,"answered":170,"key":171},59,20,[172,175,176],{"id":173,"text":174},"26504484","The artifact you are seeing is a test alignment hogel on these early holograms. Do not expect that in the final system. Likewise, the demo holograms had different border areas,…",{"id":55,"text":56},{"id":58,"text":59},{"commenters":178,"max_depth":179,"maker_replies":169,"first_comment_mins":37,"lifespan_hours":180},51,6,289,[182,184,186,190,194,196,198,202,204,208,211,214,216,220,222,226,228,231,233,236,237,240,243,246,248,251,254,256,258,262,264,267,269,272,274,277,279,281,284,286,288,290,293,295,296,298,301,304,306,308,311,313,315,317,319,323,324,326,329,331,334,336,341,344,349,351,354,356,360,362,364,367,371,373,375,377,380,382,385,387,391,393,396,398,401,403,406,408,412,414,418,420,422,425,428,430,434,437,440,442,445,448,449,451,453,456,458,461,463,467,469,471,473,476,479,484,486,491,492,494,496],[64,36,47,183,65,36],"project\u002Fneutral\u002Fexecution",[173,36,36,185,11,37],"maker\u002Fneutral\u002Fexecution",[187,36,37,188,189,36],"26506409","project\u002Fcritical\u002Fprivacy","duckfang",[191,36,37,192,193,36],"26523645","project\u002Fcritical\u002Fperformance","danny-bee",[55,36,36,195,11,37],"maker\u002Fneutral\u002Fidea",[58,37,36,197,11,37],"maker\u002Fneutral\u002Fnone",[199,37,47,200,201,36],"26504018","project\u002Fneutral\u002Fperformance","ACAVJW4H",[203,37,36,200,11,37],"26504058",[205,37,46,206,207,36],"26505120","project\u002Fpositive\u002Fdesign","detritus",[209,37,36,210,11,37],"26505173","project\u002Fneutral\u002Fdesign",[212,37,47,213,207,36],"26505257","project\u002Fneutral\u002Fidea",[215,37,36,213,11,37],"26505319",[217,37,46,218,219,36],"26507194","project\u002Fpositive\u002Fidea","ALittleLight",[221,37,36,210,11,37],"26507433",[223,37,36,224,225,36],"26528318","other\u002Fneutral\u002Fnone","hologram3",[227,37,36,224,11,37],"26636392",[229,37,46,218,230,36],"26505266","toast0",[232,37,36,218,11,37],"26505290",[234,37,47,210,235,36],"26507229","flir",[98,37,36,210,11,37],[238,37,47,239,235,36],"26513314","project\u002Fneutral\u002Fdocs",[241,37,36,242,11,37],"26514331","maker\u002Fneutral\u002Fdocs",[244,37,47,213,245,36],"26507311","yummypaint",[247,37,36,213,11,37],"26507410",[249,37,36,224,250,36],"26509953","EvanAnderson",[252,37,36,224,253,36],"26510516","pontifier",[255,37,36,224,11,37],"26510962",[257,37,36,224,11,37],"26510954",[259,37,47,260,261,36],"26509910","project\u002Fmixed\u002Fexecution","primitivesuave",[263,37,36,197,11,37],"26514322",[265,37,47,213,266,36],"26510478","JohnHaugeland",[268,37,36,213,11,37],"26510976",[270,32,46,218,271,36],"26504470","captainmuon",[273,32,36,183,11,37],"26504540",[275,32,47,213,276,36],"26504875","phkahler",[278,32,36,213,11,37],"26504921",[280,32,36,213,11,37],"26504927",[282,32,47,200,283,36],"26507666","spyder",[285,32,36,224,11,37],"26507984",[122,47,37,287,123,36],"project\u002Fcritical\u002Fdesign",[289,47,36,210,11,37],"26504813",[291,47,47,210,292,36],"26504964","bluesign",[294,47,36,210,11,37],"26505011",[142,40,47,213,143,36],[297,40,36,213,11,37],"26507378",[299,46,47,213,300,36],"26505792","jcims",[302,46,47,213,303,36],"26505902","Const-me",[305,46,36,213,11,37],"26505986",[307,46,36,213,11,37],"26505965",[309,46,47,213,310,36],"26509616","TheRealSteel",[312,46,36,218,11,37],"26510903",[314,46,47,213,310,36],"26521909",[316,46,36,213,11,37],"26636442",[115,179,37,318,116,36],"project\u002Fcritical\u002Fidea",[320,179,36,321,322,36],"26504259","commenter\u002Fneutral\u002Fidea","tmikaeld",[69,179,36,218,11,37],[325,179,36,213,11,37],"26504265",[327,179,36,321,328,36],"26504499","Grustaf",[330,179,36,213,11,37],"26504752",[332,179,47,333,328,36],"26506649","project\u002Fmixed\u002Fidea",[335,179,36,195,11,37],"26507509",[337,338,46,339,340,36],"26505385",7,"project\u002Fpositive\u002Fnone","anfractuosity",[342,338,36,343,11,37],"26506056","project\u002Fneutral\u002Fnone",[345,346,46,347,348,36],"26504498",8,"project\u002Fpositive\u002Fpricing","tinus_hn",[350,346,36,195,11,37],"26504574",[352,346,46,218,353,36],"26505052","ben_w",[355,346,36,195,11,37],"26505133",[357,346,37,358,359,36],"26505430","project\u002Fcritical\u002Fpricing","dTal",[361,346,36,195,11,37],"26506135",[363,346,46,347,348,36],"26511927",[365,346,36,366,11,37],"26514381","maker\u002Fneutral\u002Fpricing",[368,369,46,370,245,36],"26507230",9,"project\u002Fpositive\u002Fperformance",[372,369,36,200,11,37],"26507346",[155,374,47,213,156,36],10,[376,374,36,213,11,37],"26510927",[378,18,37,379,322,36],"26504211","project\u002Fcritical\u002Fexecution",[381,18,36,197,11,37],"26504232",[383,30,36,224,384,36],"26504931","nightowl_games",[386,30,36,224,11,37],"26504985",[388,389,36,321,390,36],"26504351",13,"camjohnson26",[392,389,36,195,11,37],"26504400",[394,389,36,321,395,36],"26504508","filmor",[397,389,36,321,11,37],"26504667",[399,389,36,321,400,36],"26504552","vorpalhex",[402,389,36,321,11,37],"26504690",[404,389,47,213,405,36],"26505799","hanniabu",[407,389,36,195,11,37],"26506026",[409,410,47,183,411,36],"26508055",14,"handol",[413,410,36,185,11,37],"26508088",[415,416,46,339,417,36],"26508013",15,"kiddico",[419,416,36,197,11,37],"26508017",[108,421,37,192,109,36],16,[423,421,36,424,11,37],"26508195","maker\u002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