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  mermaid.initialize({ startOnLoad: true });</script><meta content="Aron Petau" property=og:site_name><meta content="3D Modeling and CAD - Aron Petau" property=og:title><meta content=https://aron.petau.net/project/cad/ property=og:url><meta content="Modelling and Scanning in 3D using Fusion360, Sketchfab, and Photogrammetry" property=og:description><meta content=https://aron.petau.net/processed_images/render_bike_holder.b510ea0ece56a764.png property=og:image><meta content=en_US property=og:locale><body><header id=site-nav><nav><a href=#main-content tabindex=0> Skip to Main Content </a><ul><li id=home><a href=https://aron.petau.net> <i class=icon></i>Aron Petau</a><li class=divider><li><a href=https://aron.petau.net/project/>Projects</a><li><a href=https://aron.petau.net/pages/contact/>Contact</a><li><a href=https://aron.petau.net/pages/cv/>CV</a><li><a href=https://aron.petau.net/pages/about/>About</a><li id=search><button class=circle id=search-toggle title=Search><i class=icon></i></button><li id=language-switcher><details class=closable><summary class=circle title=Language><i class=icon></i></summary> <ul><li><a href=https://aron.petau.net//de/project/cad/ lang=de>Deutsch</a></ul></details><li id=theme-switcher><details class=closable><summary class=circle title=Theme><i class=icon></i></summary> <ul><li><button title="Switch to Light Theme" class=circle id=theme-light><i class=icon></i></button><li><button title="Switch to Dark Theme" class=circle id=theme-dark><i class=icon></i></button><li><button title="Use System Theme" class=circle id=theme-system><i class=icon></i></button></ul></details><li id=feed><details class=closable><summary class=circle title=Feed><i class=icon></i></summary> <ul><li><a href=https://aron.petau.net/rss.xml>RSS</a><li><a href=https://aron.petau.net/atom.xml>Atom</a></ul></details><li id=repo><a class=circle href=https://forgejo.petau.net/aron/awebsite title=Repository> <i class=icon></i> </a></ul></nav><div id=search-container><label class=visually-hidden for=search-bar>Search</label><input placeholder="Search for…" autocomplete=off disabled id=search-bar type=search><div id=search-results-container><div id=search-results></div></div></div></header><main id=main-content><article><div id=banner-container><img class=full-bleed id=banner src=https://aron.petau.net/project/cad/render_bike_holder.png></div><div id=heading><p><small> <time datetime=" 2018-07-05T00:00:00+00:00">Published on July 05, 2018</time></small><h1>3D Modeling and CAD</h1><p><small><span>By Aron Petau</span><span> • </span><span>7 minutes read</span><span> • </span></small><ul class=tags><li><a class=tag href=https://aron.petau.net/tags/3d-printing/>3D printing</a><li><a class=tag href=https://aron.petau.net/tags/design-for-printing/>design for printing</a><li><a class=tag href=https://aron.petau.net/tags/functional-design/>functional design</a><li><a class=tag href=https://aron.petau.net/tags/fusion360/>fusion360</a><li><a class=tag href=https://aron.petau.net/tags/parametric-modelling/>parametric modelling</a><li><a class=tag href=https://aron.petau.net/tags/photogrammetry/>photogrammetry</a><li><a class=tag href=https://aron.petau.net/tags/polycam/>polycam</a><li><a class=tag href=https://aron.petau.net/tags/private/>private</a><li><a class=tag href=https://aron.petau.net/tags/scaniverse/>scaniverse</a><li><a class=tag href=https://aron.petau.net/tags/sketchfab/>sketchfab</a><li><a class=tag href=https://aron.petau.net/tags/university-of-osnabruck/>university of osnabrück</a><li><a class=tag href=https://aron.petau.net/tags/virtual-reality/>virtual reality</a><li><a class=tag href=https://aron.petau.net/tags/work/>work</a></ul></div><div id=buttons-container><a title="Go to Top" href=#top id=go-to-top><i class=icon></i></a><a href="https://shareopenly.org/share/?url=https://aron.petau.net/project/cad/&text=Modelling%20and%20Scanning%20in%203D%20using%20Fusion360%2C%20Sketchfab%2C%20and%20Photogrammetry" id=share title=Share><i class=icon></i></a><a title="File an Issue" href=https://forgejo.petau.net/aron/awebsite/issues id=issue><i class=icon></i></a></div><h2 id=3D_Modeling_and_CAD>3D Modeling and CAD</h2><h3 id=Designing_3D_Objects>Designing 3D Objects</h3><p>While learning about 3D printing, I was most intrigued by the possibility of modifying and repairing existing products. While there’s an amazing community with many good and free models available, I naturally reached a point where I couldn’t find what I was looking for already designed. I realized that this is an essential skill for effectively operating not just 3D printers, but really any kind of productive machine.<p>Since YouTube was where I learned everything about 3D printing, and all the people I looked up to there were using Fusion 360 as their CAD program, that’s what I got into. In hindsight, it was a pretty good choice — I fell in love with the possibilities that parametric design gives me. Below you’ll find some of my designs. The process is something I deeply enjoy and want to explore even more.<p>Through trial and error, I’ve already learned a lot about designing specifically for 3D printing. But I often feel that I lack a deeper understanding of aesthetic considerations in design. I want to broaden my general ability to design physical objects, something I hope to gain during my master’s.</p><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539feb2bfae6da3d872?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c53974bf27fea6ee1a20?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539ed795f9645d8b981?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539bc7225ced67e5e92?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c5397f64c69f2093b1b5?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539e8166aea2f430aed?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><img alt="A candle made of a 3D scan, found on <https://hiddenbeauty.ch/>" class="start pixels" src=/images/breast_candle.jpg><p>Check out more of my finished designs in the Prusaprinters (now Printables) Community<div class=buttons><a class="colored external" href=https://www.printables.com/social/97957-arontaupe/models>My Printables Profile</a></div><img alt="A candle created with a 3D printed mold made in Fusion360" class="start pixels" src=/images/vulva_candle.jpg><h2 id=3D_Scanning_and_Photogrammetry>3D Scanning and Photogrammetry</h2><p>Besides coming up with new objects, incorporating the real world is also an interest of mine.<h3 id=Interaction_with_real_objects_and_environments>Interaction with real objects and environments</h3><p>In the last few years, I played around with a few smartphone cameras and was always quite sad that my scans were never accurate enough to do cool stuff with them. I couldn’t really afford a proper 3D scanner and had already started cobbling together a Raspberry Pi camera with a cheap TOF sensor. That setup is simple, but not nearly as precise as a laser or LiDAR sensor. Then Apple released the first phones with accessible LiDAR sensors.<p>Recently, through work at the university, I got access to a device with a LiDAR sensor and started having fun with it. See some examples here:<div class=sketchfab-embed-wrapper><iframe allow="autoplay; fullscreen; xr-spatial-tracking" src="https://sketchfab.com/models/c880892c6b4746bc80717be1f81bf169/embed?ui_theme=dark&dnt=1" title="DigiLab Main Room" allowfullscreen execution-while-not-rendered execution-while-out-of-viewport frameborder=0 height=600 mozallowfullscreen=true web-share webkitallowfullscreen=true width=800 xr-spatial-tracking></iframe></div><div class=sketchfab-embed-wrapper><iframe allow="autoplay; fullscreen; xr-spatial-tracking" src="https://sketchfab.com/models/144b63002d004fb8ab478316e573da2e/embed?ui_theme=dark&dnt=1" title="VR Room DigiLab" allowfullscreen execution-while-not-rendered execution-while-out-of-viewport frameborder=0 height=600 mozallowfullscreen=true web-share webkitallowfullscreen=true width=800 xr-spatial-tracking></iframe></div><p>This last one was scanned with just my smartphone camera. You can see that the quality is notably worse, but considering it was created with just a single, run-of-the-mill smartphone sensor, I think it’s still pretty impressive — and will certainly help democratize such technologies and capabilities.<div class=sketchfab-embed-wrapper><iframe allow="autoplay; fullscreen; xr-spatial-tracking" src="https://sketchfab.com/models/2f5cff5b08d243f2b2ceb94d788b9cd6/embed?ui_theme=dark&dnt=1" title="Digitallabor UOS" allowfullscreen execution-while-not-rendered execution-while-out-of-viewport frameborder=0 height=600 mozallowfullscreen=true web-share webkitallowfullscreen=true width=800 xr-spatial-tracking></iframe></div><h2 id=Perspective>Perspective</h2><p>What this section is supposed to deliver is the message that I am currently not where I want to be when navigating the vast possibilities of CAD. I feel confident enough to approach small repairs around the flat with a new perspective, but I still lack technical expertise when it comes to designing collections of composite parts that have to function together. I still have lots of projects half-done or half-thought — and one major reason is the lack of critical exchange within my field of study.<p>I want more than designing figurines or wearables. I want to incorporate 3D printing as a method to extend the abilities of other tools — to serve mechanical or electrical purposes, be food-safe and engaging. I fell in love with the idea of designing a toy system. Inspired by <a href=https://www.kickstarter.com/projects/makeway/makeway-create-intricate-courses-watch-your-marbles-soar>Makeways on Kickstarter</a>, I’ve already started adding my own parts to their set.<p>I dream of my very own 3D printed coffee cup — one that is both food-safe and dishwasher-safe. For that, I’d have to do quite a bit of material research, but that only makes the idea more appealing. I’d love to find a material composition incorporating waste, to stop relying on plastics — or at least on fossil-based ones. Once in Berlin, I want to connect with the people at <a href=https://www.kaffeeform.com/en/>Kaffeform</a>, who produce largely compostable coffee cups incorporating a significant amount of used espresso grounds (albeit using injection molding).<p>The industry selling composite filaments is much more conservative with the percentage of non-plastic additives, because a nozzle extrusion process is much more error-prone. Still, I would love to explore that avenue further and think there’s a lot to be gained from looking at pellet printers.<p>I also credit huge parts of my exploration into local recycling to the awesome people at <a href=https://preciousplastic.com>Precious Plastic</a>, whose open source designs helped me out a lot. I find it hard to write anything about CAD without connecting it directly to a manufacturing process. And I believe that’s a good thing. Always tying a design process to its realization grounds the process and gives it a certain immediacy.<p>To become more confident in this process, I still need more expertise in designing organic shapes. That’s why I’d love to dive deeper into Blender — an awesome tool that in my mind is far too powerful to learn solely through YouTube lessons.<h2 id=Software_that_I_have_used_and_like>Software that I have used and like</h2><div class=buttons><a class="colored external" href=https://alicevision.org/#meshroom>AliceVision Meshroom</a><a class="colored external" href=https://scaniverse.com/>Scaniverse</a><a class="colored external" href=https://sketchfab.com/arontaupe>My Sketchfab Profile</a><a class="colored external" href="https://play.google.com/store/apps/details?id=com.lvonasek.arcore3dscanner&hl=en&gl=US">3D Live Scanner for Android</a></div></article><hr><nav id=post-nav><a class="post-nav-item post-nav-prev" href=https://aron.petau.net/project/printing/> <div class=nav-arrow>Previous</div> <span class=post-title>3D printing</span> </a><a class="post-nav-item post-nav-next" href=https://aron.petau.net/project/beacon/> <div class=nav-arrow>Next</div> <span 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		mermaid.initialize({ startOnLoad: true });</script><meta content="Aron Petau" property=og:site_name><meta content="3D Modeling and CAD - Aron Petau" property=og:title><meta content=https://aron.petau.net/project/cad/ property=og:url><meta content="Modelling and Scanning in 3D using Fusion360, Sketchfab, and Photogrammetry" property=og:description><meta content=https://aron.petau.net/processed_images/render_bike_holder.b510ea0ece56a764.png property=og:image><meta content=en_US property=og:locale><body><header id=site-nav><nav><a href=#main-content tabindex=0> Skip to Main Content </a><ul><li id=home><a href=https://aron.petau.net> <i class=icon></i>Aron Petau</a><li class=divider><li><a href=https://aron.petau.net/project/>Projects</a><li><a href=https://aron.petau.net/pages/contact/>Contact</a><li><a href=https://aron.petau.net/pages/cv/>CV</a><li><a href=https://aron.petau.net/pages/about/>About</a><li id=search><button class=circle id=search-toggle title=Search><i class=icon></i></button><li id=language-switcher><details class=closable><summary class=circle title=Language><i class=icon></i></summary> <ul><li><a href=https://aron.petau.net//de/project/cad/ lang=de>Deutsch</a></ul></details><li id=theme-switcher><details class=closable><summary class=circle title=Theme><i class=icon></i></summary> <ul><li><button title="Switch to Light Theme" class=circle id=theme-light><i class=icon></i></button><li><button title="Switch to Dark Theme" class=circle id=theme-dark><i class=icon></i></button><li><button title="Use System Theme" class=circle id=theme-system><i class=icon></i></button></ul></details><li id=feed><details class=closable><summary class=circle title=Feed><i class=icon></i></summary> <ul><li><a href=https://aron.petau.net/rss.xml>RSS</a><li><a href=https://aron.petau.net/atom.xml>Atom</a></ul></details><li id=repo><a class=circle href=https://forgejo.petau.net/aron/awebsite title=Repository> <i class=icon></i> </a></ul></nav><div id=search-container><label class=visually-hidden for=search-bar>Search</label><input placeholder="Search for…" autocomplete=off disabled id=search-bar type=search><div id=search-results-container><div id=search-results></div></div></div></header><main id=main-content><article><div id=banner-container><img class=full-bleed id=banner src=https://aron.petau.net/project/cad/render_bike_holder.png></div><div id=heading><p><small> <time datetime=" 2018-07-05T00:00:00+00:00">Published on July 05, 2018</time></small><h1>3D Modeling and CAD</h1><p><small><span>By Aron Petau</span><span> • </span><span>7 minutes read</span><span> • </span></small><ul class=tags><li><a class=tag href=https://aron.petau.net/tags/3d-printing/>3D printing</a><li><a class=tag href=https://aron.petau.net/tags/design-for-printing/>design for printing</a><li><a class=tag href=https://aron.petau.net/tags/functional-design/>functional design</a><li><a class=tag href=https://aron.petau.net/tags/fusion360/>fusion360</a><li><a class=tag href=https://aron.petau.net/tags/parametric-modelling/>parametric modelling</a><li><a class=tag href=https://aron.petau.net/tags/photogrammetry/>photogrammetry</a><li><a class=tag href=https://aron.petau.net/tags/polycam/>polycam</a><li><a class=tag href=https://aron.petau.net/tags/private/>private</a><li><a class=tag href=https://aron.petau.net/tags/scaniverse/>scaniverse</a><li><a class=tag href=https://aron.petau.net/tags/sketchfab/>sketchfab</a><li><a class=tag href=https://aron.petau.net/tags/university-of-osnabruck/>university of osnabrück</a><li><a class=tag href=https://aron.petau.net/tags/virtual-reality/>virtual reality</a><li><a class=tag href=https://aron.petau.net/tags/work/>work</a></ul></div><div id=buttons-container><a title="Go to Top" href=#top id=go-to-top><i class=icon></i></a><a href="https://shareopenly.org/share/?url=https://aron.petau.net/project/cad/&text=Modelling%20and%20Scanning%20in%203D%20using%20Fusion360%2C%20Sketchfab%2C%20and%20Photogrammetry" id=share title=Share><i class=icon></i></a><a title="File an Issue" href=https://forgejo.petau.net/aron/awebsite/issues id=issue><i class=icon></i></a></div><h2 id=3D_Modeling_and_CAD>3D Modeling and CAD</h2><h3 id=Designing_3D_Objects>Designing 3D Objects</h3><p>While learning about 3D printing, I was most intrigued by the possibility of modifying and repairing existing products. While there’s an amazing community with many good and free models available, I naturally reached a point where I couldn’t find what I was looking for already designed. I realized that this is an essential skill for effectively operating not just 3D printers, but really any kind of productive machine.<p>Since YouTube was where I learned everything about 3D printing, and all the people I looked up to there were using Fusion 360 as their CAD program, that’s what I got into. In hindsight, it was a pretty good choice — I fell in love with the possibilities that parametric design gives me. Below you’ll find some of my designs. The process is something I deeply enjoy and want to explore even more.<p>Through trial and error, I’ve already learned a lot about designing specifically for 3D printing. But I often feel that I lack a deeper understanding of aesthetic considerations in design. I want to broaden my general ability to design physical objects, something I hope to gain during my master’s.</p><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539feb2bfae6da3d872?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c53974bf27fea6ee1a20?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539ed795f9645d8b981?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539bc7225ced67e5e92?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c5397f64c69f2093b1b5?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><iframe src="https://myhub.autodesk360.com/ue2cf184b/shares/public/SH9285eQTcf875d3c539e8166aea2f430aed?mode=embed" allowfullscreen frameborder=0 height=600 mozallowfullscreen=true webkitallowfullscreen=true width=100%></iframe><img alt="A candle made of a 3D scan, found on <https://hiddenbeauty.ch/>" class="start pixels" src=/images/breast_candle.jpg><p>Check out more of my finished designs in the Prusaprinters (now Printables) Community<div class=buttons><a class="colored external" href=https://www.printables.com/social/97957-arontaupe/models>My Printables Profile</a></div><img alt="A candle created with a 3D printed mold made in Fusion360" class="start pixels" src=/images/vulva_candle.jpg><h2 id=3D_Scanning_and_Photogrammetry>3D Scanning and Photogrammetry</h2><p>Besides coming up with new objects, incorporating the real world is also an interest of mine.<h3 id=Interaction_with_real_objects_and_environments>Interaction with real objects and environments</h3><p>In the last few years, I played around with a few smartphone cameras and was always quite sad that my scans were never accurate enough to do cool stuff with them. I couldn’t really afford a proper 3D scanner and had already started cobbling together a Raspberry Pi camera with a cheap TOF sensor. That setup is simple, but not nearly as precise as a laser or LiDAR sensor. Then Apple released the first phones with accessible LiDAR sensors.<p>Recently, through work at the university, I got access to a device with a LiDAR sensor and started having fun with it. See some examples here:<div class=sketchfab-embed-wrapper><iframe allow="autoplay; fullscreen; xr-spatial-tracking" src="https://sketchfab.com/models/c880892c6b4746bc80717be1f81bf169/embed?ui_theme=dark&dnt=1" title="DigiLab Main Room" allowfullscreen execution-while-not-rendered execution-while-out-of-viewport frameborder=0 height=600 mozallowfullscreen=true web-share webkitallowfullscreen=true width=800 xr-spatial-tracking></iframe></div><div class=sketchfab-embed-wrapper><iframe allow="autoplay; fullscreen; xr-spatial-tracking" src="https://sketchfab.com/models/144b63002d004fb8ab478316e573da2e/embed?ui_theme=dark&dnt=1" title="VR Room DigiLab" allowfullscreen execution-while-not-rendered execution-while-out-of-viewport frameborder=0 height=600 mozallowfullscreen=true web-share webkitallowfullscreen=true width=800 xr-spatial-tracking></iframe></div><p>This last one was scanned with just my smartphone camera. You can see that the quality is notably worse, but considering it was created with just a single, run-of-the-mill smartphone sensor, I think it’s still pretty impressive — and will certainly help democratize such technologies and capabilities.<div class=sketchfab-embed-wrapper><iframe allow="autoplay; fullscreen; xr-spatial-tracking" src="https://sketchfab.com/models/2f5cff5b08d243f2b2ceb94d788b9cd6/embed?ui_theme=dark&dnt=1" title="Digitallabor UOS" allowfullscreen execution-while-not-rendered execution-while-out-of-viewport frameborder=0 height=600 mozallowfullscreen=true web-share webkitallowfullscreen=true width=800 xr-spatial-tracking></iframe></div><h2 id=Perspective>Perspective</h2><p>What this section is supposed to deliver is the message that I am currently not where I want to be when navigating the vast possibilities of CAD. I feel confident enough to approach small repairs around the flat with a new perspective, but I still lack technical expertise when it comes to designing collections of composite parts that have to function together. I still have lots of projects half-done or half-thought — and one major reason is the lack of critical exchange within my field of study.<p>I want more than designing figurines or wearables. I want to incorporate 3D printing as a method to extend the abilities of other tools — to serve mechanical or electrical purposes, be food-safe and engaging. I fell in love with the idea of designing a toy system. Inspired by <a href=https://www.kickstarter.com/projects/makeway/makeway-create-intricate-courses-watch-your-marbles-soar>Makeways on Kickstarter</a>, I’ve already started adding my own parts to their set.<p>I dream of my very own 3D printed coffee cup — one that is both food-safe and dishwasher-safe. For that, I’d have to do quite a bit of material research, but that only makes the idea more appealing. I’d love to find a material composition incorporating waste, to stop relying on plastics — or at least on fossil-based ones. Once in Berlin, I want to connect with the people at <a href=https://www.kaffeeform.com/en/>Kaffeform</a>, who produce largely compostable coffee cups incorporating a significant amount of used espresso grounds (albeit using injection molding).<p>The industry selling composite filaments is much more conservative with the percentage of non-plastic additives, because a nozzle extrusion process is much more error-prone. Still, I would love to explore that avenue further and think there’s a lot to be gained from looking at pellet printers.<p>I also credit huge parts of my exploration into local recycling to the awesome people at <a href=https://preciousplastic.com>Precious Plastic</a>, whose open source designs helped me out a lot. I find it hard to write anything about CAD without connecting it directly to a manufacturing process. And I believe that’s a good thing. Always tying a design process to its realization grounds the process and gives it a certain immediacy.<p>To become more confident in this process, I still need more expertise in designing organic shapes. That’s why I’d love to dive deeper into Blender — an awesome tool that in my mind is far too powerful to learn solely through YouTube lessons.<h2 id=Software_that_I_have_used_and_like>Software that I have used and like</h2><div class=buttons><a class="colored external" href=https://alicevision.org/#meshroom>AliceVision Meshroom</a><a class="colored external" href=https://scaniverse.com/>Scaniverse</a><a class="colored external" href=https://sketchfab.com/arontaupe>My Sketchfab Profile</a><a class="colored external" href="https://play.google.com/store/apps/details?id=com.lvonasek.arcore3dscanner&hl=en&gl=US">3D Live Scanner for Android</a></div></article><hr><nav id=post-nav><a class="post-nav-item post-nav-prev" href=https://aron.petau.net/project/printing/> <div class=nav-arrow>Previous</div> <span class=post-title>3D printing</span> </a><a class="post-nav-item post-nav-next" href=https://aron.petau.net/project/beacon/> <div class=nav-arrow>Next</div> <span 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