The Era Of Orville Props Has Officially Begun

April 4, 2018 by Tom Nardi 49 Comments

Over a decade after the last Star Trek show warped off of television, we finally have a new series in the form of Star Trek: Discovery. But much to the chagrin of many old school Trek fans, Discovery has gone all in on the gritty and hyper-serialized storytelling that’s taken over TV since Starfleet last patrolled the airwaves. But for those who are looking for somewhat more lighthearted space adventures, Seth MacFarlane (of Family Guy fame) has created a show which is essentially a love-letter to Star Trek: The Next Generation called The Orville. Some have gone as far as to claim that The Orville is the true continuation of the Trek legacy, though such discussion sounds awfully close to a Holy War to us so we’ll steer clear.

Unfortunately for The Orville fans, the series doesn’t have nearly the commercial draw of Trek. Accordingly, the market for things like replica uniforms and props from the show is still in its infancy, meaning fans of the show have to go the DIY route. [JohnSmallBerries] is one such fan, and his 3D printed “Comscanner” from The Orville is a shot across the bow to the well established Trek prop-making scene.

Without so much as an official toy version of the device, [John] was forced to do his initial 3D rendering based completely on screenshots from the show. Even the scale of the device had to be guessed, as it’s usually only seen being held in a crew member’s hand. In the end he reasoned it’s probably supposed to be about the size of a large smartphone.

Not content with just a static prop, [John] managed to integrate not only the spring-assisted retractable display of the scanner from the show, but also some LED backlit panels complete with a screen-accurate user interface. Judging by the internal shots of the scanner, it looks like there’s still plenty of room inside to add some more advanced electronics. The next evolution of this prop will surely be to add in a microcontroller and potentially even a real screen to add some more elaborate effects and (relatively) practical functions.

We’ve seen plenty of impressive builds of Star Trek gadgets, arguably bringing the devices much closer to reality than the original show runners ever did. It will be interesting to see if The Orville inspires a new generation of engineers to bring their favorite fictional pieces of kit into the real world.

Handheld Propulsion Is Noisy, Awesome

April 3, 2018 by Lewin Day 11 Comments

Lithium batteries are ubiquitous, cheap, and incredibly powerful. Combine them with some brushless DC motors and you’ve got serious power in a compact package. [Ivan Miranda] decided to use this to his advantage, building the Handheld Self Propelling System #1.

Yes, we’ll come right out and say it – it’s a giant fan, and it blows. Or more accurately, it’s four moderately sized fans in one fetching wrist-mounted package. The one thing that seems completely absent from the video is an answer to the obvious question – why? Other than doing damage to the hearing of anyone nearby in an enclosed space, [Ivan] demonstrates its use with the help of a skateboard in the back end of the video.

It’s built with off-the-shelf RC parts and the body is 3D printed. This is the kind of print you want to get right first time – it takes several days to print and uses a significant amount of filament.

Overall, it’s a terrifying device that promises to do something awesome when finished. [Ivan]’s just finished the thrust test and we can’t wait to see what comes next.

If you’re looking for another way to propel yourself on a skateboard, well – there’s always the more conventional electric path.

https://youtu.be/WmMkUWvBC64

Giant F1 Car Is 3D Printed And Radio Controlled

April 2, 2018 by Lewin Day 16 Comments

The OpenRC F1 car is a radio control car you can 3D print and assemble yourself. You make the parts, glue them together, and then add your RC gear. That’s all well and good, but could it be done… bigger? [3D Printing Nerd] decided to tackle this one at 4x scale.

It goes without saying that this took some work. The model has to be carved up into sections that would actually fit on the printers to hand. This can take some planning to ensure the parts still come out nicely, as they may be printed in different orientations or with different slicer settings than originally intended.

That’s just the start, though. Once they’re printed, the parts need to be accurately aligned and glued together, which is a whole extra set of challenges. Urethane, epoxy and superglue adhesives are all pressed into service here to get the job done.

It’s a multipart build, as it’s a huge undertaking to 3D print anything on this scale. It’s a great example of taking a fun project, and turning up the silly factor to 11. And of course, at the end of the day, you’ve got a gigantic RC car to play with. Perhaps the only bigger RC cars we’ve seen have been… actual cars.

Bringing Fiction To Life With 3D Printing

April 2, 2018 by Tom Nardi 27 Comments

I print something nearly every day, and over the last few years, I’ve created hundreds of practical items. Parts to repair my car, specialized tools, scientific instruments, the list goes on and on. It’s very difficult for me to imagine going back to a time where I didn’t have the ability to rapidly create and replicate physical objects at home. I can say with complete honesty that it has been an absolutely life-changing technology for me, personally.

But to everyone else in my life, my friends and family, 3D printers are magical boxes which can produce gadgets, weapons, and characters from their favorite games and movies. Nobody wants to see the parts I made to get my girlfriend’s 1980’s Honda back on the road before she had to go to work in the morning, they want to see the Minecraft block I made for my daughter. I can’t get anyone interested in a device I made to detect the algal density of a sample of water, but they all want me to run off a set of the stones from The Fifth Element for them.

As I recently finished just such a project, a 3D printed limpet mine from Battlefield 1, I thought I would share some thoughts on the best practices for turning fiction into non-fiction.

Continue reading “Bringing Fiction To Life With 3D Printing” →

3D Printed Tank Tracks

March 31, 2018 by Al Williams 10 Comments

[Ivan] has been keeping his 3D printers busy with parts he’s experimenting with to build a tracked motion setup for a tank-like vehicle. His design uses several interlocking parts, so if you want to duplicate it, we hope your printer calibration is up to snuff. He’s still printing more parts and promises to release the files once the design proves out.

However, you can see he’s off to a good start. Small pieces fit together and accept a piece of filament as a sort of hinge. Some pins keep the filament from working out. Pads fit into the main parts and hold down with zip ties. The whole flexible tread locks into sprockets and a groove on a drive wheel.

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Learn What Did And Didn’t Work In This Prototyping Post-Mortem

March 30, 2018 by Donald Papp 16 Comments

[Tommy] is a one-man-shop making electronic musical things, but that’s not what this post is about. This post is about the outstanding prototyping post-mortem he wrote up about his attempt to turn his Four-Step Octaved Sequencer into a viable product. [Tommy] had originally made a hand-soldered one-off whose performance belied its simple innards, and decided to try to turn it into a product. Short version: he says that someday there will be some kind of sequencer product like it available from him, “[B]ut it won’t be this one. This one will go on my shelf as a reminder of how far I’ve come.”

The unit works, looks great, has a simple parts list, and the bill of materials is low in cost. So what’s the problem? What happened is that through prototyping, [Tommy] learned that his design will need many changes before it can be used to create a product, and he wrote up everything he learned during the process. Embedded below is a demo of the prototype that shows off how it works and what it can do, and it helps give context to the lessons [Tommy] shares.

Continue reading “Learn What Did And Didn’t Work In This Prototyping Post-Mortem” →

A High Speed, Infinite Volume 3D Printer

March 29, 2018 by Brian Benchoff 22 Comments

One of the most interesting developments in 3D printing in recent memory is the infinite build volume printer. Instead of a static bed, this type of printer uses a conveyor belt and a hotend set at an angle to produce parts that can be infinitely long in one axis, provided you have the plastic and electricity. For this year’s Hackaday Prize, [inven2main] is exploring the infinite build volume design, but putting a new spin on it. This is a printer with a conveyor belt and a SCARA arm. The goal of this project is to build a printer with a small footprint, huge build volume, no expensive rails or frames, and a low part count. It is the most capable 3D printer you can imagine using a minimal amount of parts.

Most of the documentation for this build is hanging around on the RepRap forums, but the bulk of the work is already done. The first half of this build — the SCARA arm — is well-traveled territory for the RepRap community, and where there’s some fancy math and kinematics going on, there’s nothing too far out of the ordinary. The real trick here is combining a SCARA arm with a conveyor belt to give the project an infinite build volume. The proof of concept works, using a conveyor belt manufactured out of blue painter’s tape. These conveyor belt printers are new, and the bed technology isn’t quite there, but improvements are sure to come. Improvements will also be found in putting a small crown on the rollers to keep the belt centered.

All the files for this printer are available on the Gits, and there are already a few videos of this printer working. You can check those out here.