[{"data":1,"prerenderedAt":380},["ShallowReactive",2],{"project-27614874":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":34,"aspects":35,"strip":43,"post_text":45,"what":46,"said":92,"maker_in_thread":168,"shape":177,"grid":181,"attempts":341,"same_week":342,"maker_shows":38,"maker_hidden":372,"reader_version":373,"card":374},"27614874","3dasd","open-source DIY room-scale 3D scanner","title","Show HN: 3dasd – open-source DIY room-scale 3D scanner","https:\u002F\u002F3dasd.com\u002F","3dasd.com","dvoros",1624520083,2021,248,63,155,2533,7,"notable","hardware","3d scanner",[21,23,24,25,26],"lidar","open source","room scanning","point cloud","curious",0.083,{"positive":30,"neutral":31,"mixed":32,"critical":33},5,28,0,2,35,{"idea":36,"design":37,"performance":39,"pricing":40,"execution":41,"docs":42},{"positive":33,"critical":32},{"positive":38,"critical":32},1,{"positive":32,"critical":38},{"positive":32,"critical":32},{"positive":32,"critical":38},{"positive":32,"critical":32},[32,30,32,30,32,44,44,44,44,44,44,32,30,44,32,44,44,44,32,44,44,44,38,32,32,32,32,44,44,32,44,30,44,44,30,44,44,32,44,38],3,null,{"problem":47,"audience":45,"pricing":45,"motivation":54,"time_to_build":58,"stack":64,"openness":89,"stage":90,"team_size":91},{"value":48,"source":49,"evidence":50},"No cheap hardware for 3D scanning rooms and construction sites","maker",[51],{"id":52,"by":11,"text":53},"27614883","Taking a break from my software developer job, I've started to work on my first ever hardware project and with too much free time on my hands it quickly turned into something…",{"value":55,"source":49,"evidence":56},"Explore 3D scanners for construction sites after finding no cheap hardware",[57],{"id":52,"by":11,"text":53},{"value":59,"source":49,"evidence":60},"Rough estimate of about 40 hours of work for a familiar builder, plus waiting for parts",[61],{"id":62,"by":11,"text":63},"27629769","Here's a very rough estimate. This is how long it'd take for someone who's familiar with the steps. E.g. if you've never tried soldering, it could take much longer. - Days\u002Fweeks…",[65,69,81],{"value":66,"source":49,"evidence":67},"Arduino",[68],{"id":52,"by":11,"text":53},{"value":70,"source":71,"evidence":72},"Garmin LIDAR-Lite v3 sensor","commenter",[73,77],{"id":74,"by":75,"text":76},"27615955","OnACoffeeBreak","Neat! Looks like the project uses the same LIDAR module (Garmin LIDAR-Lite v3) that's on the Ingenuity helicopter presently on Mars.",{"id":78,"by":79,"text":80},"27615587","PicassoCTs","Max resolution are the steps of the stepper motor per activation. (1.8° step-angle) https:\u002F\u002Fdatasheetspdf.com\u002Fpdf\u002F1260602\u002FSchneider\u002FNEMA17\u002F1 It could be increased by adding…",{"value":82,"source":71,"evidence":83},"NEMA 17 stepper motors",[84,85],{"id":78,"by":79,"text":80},{"id":86,"by":87,"text":88},"27615254","okamiueru","Cool project, and as an amateur tinkerer, I love to see these things open sourced and documented as there is so much to learn. I'm a little surprised by the nema motors, as they…","open_source","prototype","unknown",{"praise":93,"objections":102,"requests":116,"questions":127,"alternatives":146},[94],{"value":95,"source":71,"evidence":96},"Open-source and well documented",[97,101],{"id":98,"by":99,"text":100},"27615163","nerform","Thank you for sharing and making in open. Awesome work.",{"id":86,"by":87,"text":88},[103,109],{"value":104,"source":49,"evidence":105},"Very low resolution compared to commercial scanners",[106],{"id":107,"by":11,"text":108},"27615466","Yes, you're right, this is extremely low resolution, compared to commercial scanners. This is mostly the result of using a point-by-point scanner. One thing I have on my plate is…",{"value":110,"source":49,"evidence":111},"Slow: a single scan takes around 40 minutes",[112,113],{"id":107,"by":11,"text":108},{"id":114,"by":11,"text":115},"27615537","Thanks for the feedback! A single scan takes around 40 minutes. The multi-scan example took me an afternoon to take. (: I've tried Meshlab but then ended up using CloudCompare…",[117],{"value":118,"source":71,"evidence":119},"Add color information to the point cloud",[120,124],{"id":121,"by":122,"text":123},"27615267","TaylorAlexander","Great project Daniel! Really cool that you're venturing out of software land. Looks like you would have learned a lot about Arduino from this! I've recently been playing around…",{"id":125,"by":11,"text":126},"27615521","Thank you very much for the kind words and the recommendation! Adding a camera is probably the next step I'll take. Adding color information to the point cloud would be a huge…",[128,139],{"value":129,"source":71,"evidence":130},"How long does a full scan take?",[131,135],{"id":132,"by":133,"text":134},"27615690","behindai","Hi! Nice job! How much time does it take to perform a full scan?",{"id":136,"by":137,"text":138},"27615367","koolhaas","Awesome work! How long does it take to scan a room? And when scanning something like an apartment with multiple scans, how do you piece them together \u002F automatically offset the…",{"value":140,"source":71,"evidence":141},"Can it scan small objects?",[142],{"id":143,"by":144,"text":145},"27618540","holoduke","Will this work with small 5cm objects? For ages I am trying to find a good (and cheap) scanner able to scan small objects mostly used in cars. Had mixed results with tools like…",[147,155,161],{"value":148,"source":71,"evidence":149},"Photogrammetry with Meshroom or COLMAP",[150,151],{"id":121,"by":122,"text":123},{"id":152,"by":153,"text":154},"27615854","ur-whale","How does this improve on taking a video with your phone and feeding it to one of the OpenSource 3D reconstruction packages (such as e.g. MeshRoom [1])? [1]…",{"value":156,"source":49,"evidence":157},"OpenScan for small objects",[158],{"id":159,"by":11,"text":160},"27629701","This is for scanning larger things (rooms, buildings). For smaller objects, there's another open-source project that you might find useful: openscan.eu",{"value":162,"source":71,"evidence":163},"3D Live Scanner app on Android",[164],{"id":165,"by":166,"text":167},"27628195","moritonal","On Android if you have a powerful enough phone (or better, built in Lidar) then the \"3D Live Scanner\" app by Lubos Vonasek Programmierung is something to checkout.",{"comments":169,"answered":170,"key":171},12,8,[172,173,176],{"id":52,"text":53},{"id":174,"text":175},"27615237","Thanks for the kind words! I've started with EasyEDA and stuck with it as it worked okay so unfortunately I can't help with a comparison. I've tried the autorouter and it worked…",{"id":125,"text":126},{"commenters":178,"max_depth":179,"maker_replies":169,"first_comment_mins":38,"lifespan_hours":180},36,6,134,[182,184,186,190,191,193,197,199,201,204,207,211,215,218,221,223,225,228,231,233,237,239,242,245,246,247,250,252,255,257,262,263,265,267,268,271,274,277,280,283,286,289,291,294,296,297,298,300,302,304,306,308,309,313,314,319,321,323,327,328,333,336,339],[52,32,32,183,11,38],"maker\u002Fneutral\u002Fnone",[98,32,30,185,99,32],"maker\u002Fpositive\u002Fnone",[187,32,32,188,189,32],"27615168","commenter\u002Fneutral\u002Fnone","fxtentacle",[174,32,32,183,11,38],[121,32,30,192,122,32],"maker\u002Fpositive\u002Fidea",[194,32,32,195,196,32],"27615365","other\u002Fneutral\u002Fnone","secretsatan",[125,32,32,198,11,38],"project\u002Fneutral\u002Fidea",[200,32,44,198,122,32],"27615614",[202,32,44,203,189,32],"27615524","project\u002Fneutral\u002Fnone",[205,32,32,195,206,32],"27625171","regularfry",[208,32,44,209,210,32],"27615302","project\u002Fneutral\u002Fdesign","utopcell",[212,32,44,213,214,32],"27615762","project\u002Fneutral\u002Fperformance","miahi",[216,32,44,209,217,32],"27616588","encypruon",[219,32,44,209,220,32],"27618810","dekhn",[222,32,44,209,217,32],"27620910",[224,32,44,209,220,32],"27625728",[226,32,32,227,217,32],"27633883","commenter\u002Fpositive\u002Fnone",[229,32,32,230,11,38],"27629906","maker\u002Fpositive\u002Fdesign",[232,32,30,185,217,32],"27633954",[234,32,44,235,236,32],"27617216","project\u002Fneutral\u002Fpricing","sbayeta",[238,32,44,235,236,32],"27617297",[240,38,44,198,241,32],"27615799","bruce343434",[243,38,32,195,244,32],"27617036","dannyw",[74,33,44,203,75,32],[152,44,44,198,153,32],[248,44,44,198,249,32],"27616069","serf",[251,44,44,198,220,32],"27620439",[253,44,32,188,254,32],"27636444","IshKebab",[256,44,32,188,153,32],"27682078",[258,259,44,260,261,32],"27615273",4,"project\u002Fneutral\u002Fexecution","rambojazz",[107,259,32,260,11,38],[264,259,44,213,79,32],"27615596",[266,259,32,195,241,32],"27615891",[78,259,44,213,79,32],[269,259,38,270,220,32],"27620377","project\u002Fcritical\u002Fperformance",[272,30,44,198,273,32],"27628011","snickmy",[275,179,32,195,276,32],"27621710","sprite",[278,179,32,195,279,32],"27621836","dwild",[281,179,32,195,282,32],"27628197","hblnt",[284,179,32,195,285,32],"27626907","_carbyau_",[287,179,32,195,288,32],"27628339","PennRobotics",[290,179,32,195,276,32],"27650006",[292,18,44,198,293,32],"27630026","amelius",[295,18,32,185,11,38],"27652883",[143,170,44,213,144,32],[159,170,32,203,11,38],[299,170,32,195,144,32],"27641388",[86,301,44,209,87,32],9,[303,301,32,209,11,38],"27615476",[305,301,30,230,87,32],"27615767",[136,307,44,213,137,32],10,[114,307,32,213,11,38],[310,311,44,198,312,32],"27635606",11,"tetrahedon",[165,169,32,195,166,32],[315,316,30,317,318,32],"27618258",13,"project\u002Fpositive\u002Fidea","compweblaren",[132,320,44,213,133,32],14,[322,320,32,213,11,38],"27629774",[324,325,44,260,326,32],"27618394",15,"searchconwestdu",[62,325,32,260,11,38],[329,330,44,331,332,32],"27616036",16,"project\u002Fneutral\u002Fdocs","xchip",[334,330,44,203,335,32],"27616079","AlexAltea",[337,330,38,338,293,32],"27627698","project\u002Fcritical\u002Fexecution",[340,330,32,260,11,38],"27629794",[],[343,348,353,358,363,368],{"id":344,"name":345,"points":346,"category":347},"27642977","I’m an introvert",169,"productivity",{"id":349,"name":350,"points":351,"category":352},"27689664","Git history visualization",147,"dev_tools",{"id":354,"name":355,"points":356,"category":357},"27662266","21st Night",123,"learning_science",{"id":359,"name":360,"points":361,"category":362},"27662114","Optery",111,"security_privacy",{"id":364,"name":365,"points":366,"category":367},"27657164","Whirlog",110,"data",{"id":369,"name":370,"points":371,"category":347},"27664020","The Sample",67,false,"v2",{"id":375,"name":5,"line":6,"ai":372,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":376,"top":18,"kw":377,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":378,"url":9,"mix":379,"praise":95,"objection":104,"sub":21},27614874,0.08,[21,23,24,25,26],"0505033333305303330333100003303533533031",[30,31,32,33],1794036608352]