Return of the Beer Bottle Lock

20170823 Beer Lock Blank

It’s been quite a few years since I first posted this design on my blog – check out where it all began here. One of the great things about sharing designs like this on file sharing websites like Thingiverse or Pinshape is that you get to see when someone enjoys your design and shares their own photos of the print, or even better, remixes it to add their own unique twist to the idea. Someone even made a video on Youtube which featured this lock 🙂

Occasionally I get requests, either on these websites, through social media, or on this blog, for me to make alterations to a design, or share the native design files for someone to more easily modify. 9 times out of 10 I’m more than happy to help. A few days ago I was contacted through Twitter to make a simple variation to my Beer Bottle Lock, removing the text on top that says “hands off my beer” to provide a blank surface for someone to more easily add their own custom text.

Given that the file is parametric in Solidworks, the alteration only took a few seconds. However rather than email the files direct, it seemed like a good opportunity to share a remix of my own design on Thingiverse, and hopefully benefit even more people. So you can now download this design for free by clicking here, just like the original.

This got me thinking about remixes, and the fact that many of my favourite 3D printing sites like Pinshape and Cults don’t really allow for remixes to be clearly linked to the original source file. I can either upload a print of a design (just photos, not a new STL file), or upload a completely new design. If I want to let people know this new design is a remix, I have to manually write this in the project description, and supply a URL to the original file as you can see on my upload of this new blank version beer bottle lock on Pinshape. On Thingiverse, you can specifically say your design is a remix of another with the click of a button, and a link is created so others can easily go to the original, and see all remixes to find the one most appropriate for them. This is a better system that ties in with the whole Creative Commons (CC) licencing used by all of these websites.

I hope some of these other file sharing websites will take up the challenge to make file attribution and remixing more transparent, it shouldn’t be left up to the user to understand the licensing options and manually enter this information. A common standard across a website, as done by Thingiverse, would really help encourage more sharing, and appropriate attribution to designers.

– Posted by James Novak

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Mashup-Yoda – Download For Free

Yoda Header

Recently I wrote a step-by-step tutorial for my friends at Pinshape about how you can use free software (Meshmixer) to combine downloaded STL files into your own unique design – this is called a mashup, or a remix. The tutorial is nice and easy to follow, and was just the start of my plan to create some really interesting designs in a series of mashups. You can find a full video tutorial and links to the written tutorial in my previous post.

Finally I’ve found some time to create mashup number 2, Mashup-Yoda! This design has taken a lot more time to create in Meshmixer, along with learning some of the more advanced tools and plenty of trial-and-error along the way. However it is based on a similar idea as the Mashup-Rex from the tutorial, combining a skeleton element with an external skin to give a cutaway effect to the creature. However, what might Yoda’s skeleton look like?

Yoda's_death

As you (hopefully) know from the film Return of the Jedi, Yoda’s body vanishes as he becomes one with the force in his death, so there is no way to know. But upon finding the Voronoi Yoda model by Dizingof on Thingiverse, it seemed like an interesting concept for this powerful Jedi, perhaps a more organic internal skeleton that was formed by the Midi-chlorians (some real Star Wars nerd talk!) that gave Yoda his power.

Nerd talk aside, as much as anything the Voronoi Yoda just seemed like a cool model that would be fun to combine with a realistic bust of Yoda, also available freely on Thingiverse. The 2 models are a great fit, with the main challenge being the slicing and dicing of the geometry in Meshmixer to create this organic looking, almost cyborg-like Yoda mashup. Mostly this has been achieved using the Sculpt tools and the Select tool to remove sections of the models and re-shape them to look like they were designed this way from the beginning.

20170625_Mashup-Yoda

I’ll admit that I did have some problems combining the 2 models into a single STL file right at the end in Meshmixer, probably due to the weird intersections between the models where I had pushed and pulled surfaces too far into a non-manifold object. I also ended up with a file size of about 87MB, a bit ridiculous for sharing online, and the normal reduction techniques in Meshmixer were just destroying the quality of the surfaces. So I ended up bringing the large STL file into Rhinoceros, reducing the mesh by about 75%, exporting as a STL, importing back into Meshmixer, using the Inspector tool to repair any little remaining errors automatically, and finally exporting a clean, 3D printable STL file. That’s a mouthful!

Now that the hard work’s been done, I’d love you to have this model for free so you can print it out, or even get crazy and try remixing my remix using some of the techniques shown in my Pinshape tutorial! I’ve uploaded it to my favourite 3D file sharing websites Pinshape, Thingiverse, 3D File Market and Cults. Choose your website, 3D print and share some photos 🙂

May the force be with you

– Posted by James Novak

Vote Now – Formlabs 3D Design Awards

2017 Formlabs 3D Design Awards

This morning I’ve woken to some exciting news – 3 of my products, which have been featured right here on my blog, have been announced as finalists in 3 separate categories of this years Formlabs 3D Design Awards!!

If you’ve enjoyed following my 3D printing projects, I would love it if you could take 30 seconds to follow this link to the voting page, click on the big green START button, and select my 3 designs. Winners are determined by quantity of votes from the public, so get voting now! The 3 products are:

  1. Art and Design Category: X-Men Cyclops Goggles (pictured above)
  2. Engineering Category: Garmin Virb X Floaty Mount
  3. Education Category: Pine 64 Snap Enclosure

Make sure you take some time to check out the other designs as well – there is some stiff competition in each category, and some great models to download and 3D print.

Thanks in advance for your support 🙂

– Posted by James Novak

The Meshmixer Mashup: Mashup-Rex!

Tutorial Meshmixer Mashup

The mashup is a favourite technique in the music world that combines two or more songs together into a single song. They might be from completely different eras or genres and when cleverly mashed together, they create a new smash hit. But did you know that creating a 3D printable mashup is just as easy as creating a musical one? Take a bit of File A, mix it with File B, and you now have your own creative design.

Over the last few weeks I’ve been putting together a new tutorial for my friends at Pinshape, which includes my first video tutorial as well as the usual step-by-step process to follow along with. Click here to learn how to mashup STL files in only 10 easy steps using the freely available software Autodesk Meshmixer.

The mashup is often called a Remix in the 3D printing world, and is a great way to build upon other designs and add your own creative touch, or re-purpose a design for a new application. The video tutorial is a real-time look at the process, which with a bit of practice, will have you remixing new designs in a matter of minutes. If you want to follow along, you just need to install Meshmixer on your computer, and download the 2 T-Rex files used in this tutorial which are free on Pinshape:

  1. Low Poly T-Rex by steven_dakh
  2. The T-Rex Skull by harry (we are only using the head piece, not the jaw)

Mashup-Rex

Alongside the tutorial is my latest design, the Mashup-Rex. I have made this available for free on Pinshape, just click here to download the file. Maybe you you will create your own remix of my remix? If you do, or you just 3D print the Mashup-Rex for yourself, please share it on Pinshape to add to the community and see how far the design can go! In the version pictured above I simply used a coffee stain to “age” the skull, similar to my previous print of the Star Wars Deathtrooper. I’m enjoying this simple technique at the moment, although you may like to use a 2-tone print, or go all out with some painted effects.

Happy mixing!

– Posted by James Novak

Moreton Technology Alliance

2017 Moreton Technology Alliance

Last week I teamed up with fellow Advance Queensland Digital Champion  (AQDC) and resident of Moreton Bay, Kate vanderVoort, to discuss the latest digital trends in social media and 3D printing with local businesses in our area. This was hosted by the newly formed Moreton Technology Alliance (MTA), a group of local business owners who are passionate about the region and driving innovation here.

Having been an AQDC for a couple of years now, it was great to team up with newbie to the program Kate, and deliver our insights into what may at first seem like 2 different topics. Kate began by sharing her experience with helping businesses engage with their customers through social media, and how businesses that do this well are finding that their communities of followers begin to act as customer service agents and brand ambassadors, solving fellow customer problems using the immediacy of social media. In Kate’s words, it’s a good problem to have – until your employees start feeling like their jobs are in jeopardy!

This idea of building online communities linked well to my later discussion around Intellectual Property (IP) and how online communities of designers like myself are tapping into the growing libraries of files on websites like Thingiverse and Pinshape to replace broken products, upgrade them, or modify them to perform new functions, sharing our designs for free, or for small payments just like buying a song on iTunes.

20170420_3D Print GoPro Mount

I used the example of GoPro mounts which retail at $29AUD for a pack of 6 genuine mounts, or I can 3D print 6 for $1 in material cost (pictured above from Thingiverse). Sure it’s not quite as perfectly fitting, and the material might break, but I could print 174 mounts for the same cost as 6 genuine mounts – essentially a lifetime supply from my own desktop factory. And this is just from a $400 machine, what if I have a better machine or material?

How do businesses deal with this? Will they be forever chasing people around the world with cease and desist letters (lawyers would be rubbing their hands together!)? Or will businesses shift their thinking and embrace this change, in the same way Hasbro’s My Little Pony has become an online community through Shapeways, where children and adults alike are encouraged to design and sell their own My Little Pony creations?

I certainly don’t profess to have the answers (in short I’m not a big believer of IP even without the 3D printing aspect), however the point of this example, along with examples of projects happening from a variety of industries embracing 3D printing, was to inspire the audience at this MTA event, and encourage further discussion. Which I believe it did given the questions from members afterwards, and realisation that this technology really will affect anyone developing physical products in some way or another.

We also discussed opportunities for businesses to collaborate with universities in order to develop research programs into technologies like 3D printing, with the Australian Government recently changing funding models for universities to emphasise greater links with industry, and grants announced for SME’s to fund innovation in partnership with universities and researchers. Follow the links to find out more information.

Thanks to MTA for inviting me to speak, I hope to be fielding a few questions in the near future from businesses who have been inspired to take the 3D printing plunge!

– Posted by James Novak

Star Wars Death Trooper

20170415_3D Stormtrooper

Sometimes you just see a 3D print and think OMG, I NEED THIS!

Enter the Star Wars Death Trooper model by Paul Braddock, available on MyMiniFactory. Having repaired my Cocoon Create 3D printer (again!) in my previous blog post, and also upgraded my version of Cura (losing all of my print settings refined over the last year), this was a great model to iron out the kinks and get back to normality – I hate being without a working 3D printer.

From a technical standpoint my print isn’t perfect with the wall thickness far too thin, leaving some holes and messy details (eg. if you look closely at the eye socket of the skull). My new Cura settings still need some tweaks. However given all the hurdles, it’s still a pretty damn cool print that is really brought to life by the addition of a bit of black paint, and a simple coffee stain for the skull. I recommend checking out the original by Paul to see all the details of the design that aren’t captured well in my print, he’s done a brilliant job of finishing his print to give it an aged bronze look that shows every little scar and crack of the smashed Stormtrooper helmet.

If you want to make one for yourself, don’t forget to upload a photo of your 3D print to Pinshape by May 12th – there is a competition to win 1 of 40 rolls of filament (ABS or PLA) or some Resin if you use an SLA printer. You get an entry for every 3D print you upload of anything on the website!

– Posted by James Novak

3D Printed Action Camera Floaty

20161110_garmin-virb-3d-print

Most people when they get an action camera head straight out and start filming crazy things – not me!

I’ve just bought a Garmin Virb X action camera, choosing to avoid the popular GoPro’s for a number of reasons (I’ll spare you the details!) – suffice to say that the Garmin not only records great video, but has a range of built-in sensors allowing you to overlay data on top of video. If you’re curious to see what I mean, check out their promo video.

Since many of my interests are on the water (Kitesurfing and Stand Up Paddling) I needed to add the floaty  – I lost a GoPro a few years ago in Hawaii by not having one, expensive mistake! Sure I could fork out the $27 for the Garmin floaty, but I already had a GoPro floaty as part of a kit, so why not make my own attachment?

The design of the Garmin Virb X has a range of great little details to snap on to, which is how the USB clips onto the side for charging and data transfer. So I’ve simply used these to create a 3D printed bracket, to which the GoPro floaty can stick. As you can see from the images above, 2 prongs hook around one side, while the snap comes around to the front and secures the bracket around the camera. And gee it makes a good snap sound when is attached! Very secure.

Print orientation is really important for this one, the bracket is printed standing up much like the pictures (you can see the layers in the left image). This means that when force is applied to flex and snap around the camera, the whole thing doesn’t break apart. Also a bit of filing or sanding is needed on the back face to give the floaty sticker a good surface area to stick on to. Otherwise it’s good to go straight off the printer, which took about 100 minutes to print on my Cocoon Create 3D printer. Solid infill, 0.2mm layer height, brim adhere to the platform and a small amount of support material.

If you need this part, it’s all yours for free – just download from your favourite site Thingiverse, Pinshape, 3D File Market or Cults.  Be sure to post a picture when you’re done, I hope it helps you get those awesome videos on or in the water.

– Posted by James Novak

Enabled by 3D – Twisty Pen Grip

20160829_3D Print Pen Grip

It’s competition time at MyMiniFactory and I thought I’d use it as an excuse to spend an afternoon creating something new and simple to 3D print. The “#enabledby3d” competition brief calls for an “item that makes an everyday chore easier, or an enabling device, allowing those with disabilities greater accessibility.”

I decided to focus on something most of us take for granted – writing and drawing with a pen. If you have arthritis or some other sort of hand dexterity problems from injury or illness, picking up a cheap standard pen and using it can be frustrating, painful or even impossible. One option is to pay a lot more money for large diameter pens, or buy those slide-on grips which look ugly and draw attention to the fact that you may have grip difficulties.

So what I’ve created is a simple sheath that slides over the full length of a standard Bic pen or similar, significantly increasing the diameter of the pen and changing the geometry so that it may be more easily maneuvered. The sheath prints without needing any support material, and the cheap pen simply sides inside ready to use. What I hope is achieved by this design is something that not only enables people with hand dexterity issues, but something that is appealing to anyone – in this way the design doesn’t seem like an assistive device, but something desirable that someone might be using simply to stand out and be unique. Rotate the model around below to see all the details, particularly the spiral top.

If you like the Twisty Grip head over to the MyMiniFactory page to give it a like to increase my chances of winning the competition! Better yet, you can download this design for free and print it for yourself, or for someone you know who could benefit from it. As soon as the competition ends I’ll also post it to the other 3D printing file sites I normally use, but for now please help share this design and have some fun making it for yourself. Print in bold colours to stand out, or use different coloured materials to designate different pen colours – the choice is yours.

– Posted by James Novak

UPDATE 28/11/2016: The STL file to print this design is now also freely available on Thingiverse, Pinshape, 3D File Market and Cults. Enjoy!

When Layer Orientation Matters

20160819_Meshmixer Plane Cut

Often when you are 3D printing the main thing you think about is how much support material your print will have, and you orient your print to minimise this – reducing material waste, print time and any manual post-processing to clean up the print. However sometimes the best print orientation for these reasons is not the best for mechanical strength, and I’ve just discovered this with one of the parts for the InMoov robotic arm I’m currently building (see the first collection of 3D prints in my previous post).

The “RobServoBedV6” part is where the 5 servo’s connect that control the individual finger movements, using screws to fix them in place. However some of the stands are splitting as I screw into them as shown in the photo above due to the layer orientation. Yes I could use super glue to fix them, but the split will just happen  somewhere else. So I’m going to completely cut the stands away from the part, and re-print just these stands in a different orientation to improve their strength. This is where the free program Meshmixer comes in very handy, and I’ve previously published a few examples of how to use it for my friends at Pinshape – just click here to find out more.

In the top right image you can see the first step of using Meshmixer to edit the STL file. I have used the Plane Cut tool to slice away the bottom plate, and then repeat the process to remove the other 2 segments which seem to be strong enough for the screws at the moment. This leaves me with the 2 stands that I’m having issues with. These can now be exported as STL’s ready to 3D print (orientation is not important here, this will be set in my 3D print software).

Cura from Meshmixer

I’m printing these parts as we speak on my Cocoon Create 3D printer, and have used Cura to prepare the parts and get the G-code. As you can see to the left, I have oriented the parts so that the layers are perpendicular to the original orientation, meaning that when I screw into them, the force from the screw will not pull the layers apart. Super glue will hold these replacements onto the original part really well as they are printed in ABS.

If you are designing your own parts from scratch in CAD and intend to screw directly into them, keep this issue in mind. However if you’re downloading a STL where modification isn’t as easy, knowing this simple trick in Meshmixer can really help you repair and improve a part rather than trying to re-print it from scratch and potentially use a lot of support material in a different orientation.

– Posted by James Novak

Design a 3D Printed Snap-Fit Enclosure

20160623_Pine64 Enclosure

Today I’m pleased to share a tutorial that I’ve written for my new friends at Formlabs called “How to Design 3D Printed Snap Fit Enclosures.” Follow the link to read all the details, but in short, this tutorial will guide you through some of the important steps to designing your own custom enclosure suitable for 3D printing, and featuring a snap-fit detail so that you can easily open and close the enclosure without needing any tools. The tutorial is done using Solidworks, however you should be able to follow along no matter which 3D CAD software you use, even the free ones like 123D Design – the process and tips are exactly the same.

For this tutorial I used a PINE64, the famous $15 64bit computer funded on Kickstarter in 2015. The enclosure is designed to offer something unique and exciting to complement the computer, and of course take advantage of 3D printing. You can access all of the ports and features with the enclosure fitted, and there’s a great spot on top to store SD cards, USB sticks etc.

By the way, if you just want the enclosure without following the tutorial, of course I’ve uploaded the design to Pinshape, Thingiverse and Cults so you can download it and print it for yourself!

– Posted by James Novak