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"Stibnite"
Fun with 3D printing! Here's a stick puzzle made up of 30 identical sticks - each piece represents an edge of a dodecahedron which have been rotated by a constant angle. George Hart wrote a great paper about how to design these models: archive.bridgesmathart.org/2011/bridges2011-357.pdf
Finally finished this guy, now for cutting into pieces for printing and then onto molding and casting!
3D printing offers engineers various ways to construct hardware that simply could not be built in any other manner – such as this single-piece casing to house an optical instrument for Earth observations.
In this case, the desired shape was initially 3D printed in wax. The wax model was then dipped into a ceramic slurry to create a hard shell.
The wax was then melted away and molten aluminium poured in the hollow ceramic mould to produce the final part.
This prototype casing demonstrates another potential advantage of using 3D printing to create very complex space parts in a single piece.
Extremely complicated shapes can be manufactured without the need for joins or welds, using less raw material and energy than traditional manufacturing, and with a reduced number of steps.
ESA’s Product Assurance & Safety Department is looking at how 3D printing can be applied to space missions, including the development of common industrial standards for manufacturing and testing of products.
Credit: ESA–Anneke Le Floc'h
Unlike previously-seen 3D-printed parts, these actually saw release as 3D prints, demonstrating play functions that couldn't be achieved through injection molding — at least not as simply.
The drafting arm (not pictured) was released inside set 4000034, given to LEGO Inside Tour attendees in 2019. It can be moved back and forth within its holder, but returns to center.
The pogo stick was teased as a pledge reward for the book "The Secret Life of LEGO Bricks" in 2020. Blue and red were distributed randomly when the book was finally released in 2022. The campaign was limited to 500 of these rewards, but more may exist. The shape of the plastic functions as a spring, with a center rod keeping it straight.
The classic duck was first given out to Skærbæk Fan Weekend attendees in September 2022, then available for purchase at the LEGO House for 3 weekends in November 2022. Several colors were shown, but only dark red has been released so far.
The gear keychains were given out only to LEGO employees in Billund, in late 2022, to celebrate the Production and Qualifying development departments that are creating these new products. The gears spin freely, though they are trapped within the one-piece casing. These came with a standard 2x4 brick keychain attached.
3D designing has taken up lots of my time this winter, a real obsession for sure. As the weather improves I will definetely be outside more with my camera and get off this addiction for the summer!!
Recently I had the opportunity to use some 3D printers, and I decided to use them to make the Nuva Cube. The cube is made of PLS, has a length/width/height of 2 inches, and is composed of four 1 7/8" x 1/8" x 2" and two 2" x 1/8" x 2" faces each glued onto one of the sides of a 1 3/4" cube (rather, that's the dimensions of the computer model… as you can tell, the technology is still pretty finicky, and the measurements don't always come out right). I designed it in Tinkercad and glued all the pieces save one together, but the actual printing was done by someone who actually knew what he was doing. :P (The piece I didn't glue was the one on the bottom of Lewa's face since I wasn't there when it finished printing and it was the last piece not yet glued on.) I also have to give credit to fearmaker782 of deviantArt as I frequently referred back to his own System Nuva Cube during the design process since each face is set up on a clear 8 x 8 grid.
Recently I had the opportunity to use some 3D printers, and I decided to use them to make the Nuva Cube. The cube is made of PLS, has a length/width/height of 2 inches, and is composed of four 1 7/8" x 1/8" x 2" and two 2" x 1/8" x 2" faces each glued onto one of the sides of a 1 3/4" cube (rather, that's the dimensions of the computer model… as you can tell, the technology is still pretty finicky, and the measurements don't always come out right). I designed it in Tinkercad and glued all the pieces save one together, but the actual printing was done by someone who actually knew what he was doing. :P (The piece I didn't glue was the one on the bottom of Lewa's face since I wasn't there when it finished printing and it was the last piece not yet glued on.) I also have to give credit to fearmaker782 of deviantArt as I frequently referred back to his own System Nuva Cube during the design process since each face is set up on a clear 8 x 8 grid.
View behind the scenes information on my 3D Printing Blog at www.tgaw.com
These items will be available on my Etsy site at:
So interesting to see how different they are unpainted and after a bit of care!
Two classic-version 3D-printed Makies, they underwent an #orchidmakeover to transform into their new selves!
My client gave me full reign over their features, such a nice thing to have such trust put in me as a customizer.
View behind the scenes information on my 3D Printing Blog at www.tgaw.com
These items will be available on my Etsy site at:
forgive me for the awful timing of this upload! I simply wanted to showcase my designs for 3D printing on Flickr
Some of the design stages in making the 3D printed bracket for an Olympus 300mm f4.5 to be attached to a Star Adventure tracking mount. This is version 1. Version 2 will have the opportunity to mount a red dot finder.
On the left is a broken pot metal lever from an Ilford Advocate. The same part breaks in all of them, so you can't find a spare, and machining a new one was going to be a real chore resulting in a large pile of brass chips and many hours expended.
On the right is a new part, 3D printed in stainless steel by www.shapeways.com from a computer model that I uploaded to their website. They charged $11 plus $6 postage to send me this part in 14 days. This was done in the spring of 2013; since then, they have added brass to their materials offerings, which would make the part easier to finish and also solderable. I highly recommend this service, the capabilities and low cost are a better alternative in my book than investing in your own 3D printer which would be limited to plastic materials. You need to be able to create the computer model for the part, of course - for this I use Alibre software, which I think cost about $300 and works similarly to the much more expensive SolidWorks program that I use at work.
Our Objet 3D printer doesn't like to stand idle too long, so I designed this toy to give it something to do to keep it exercised. This was made all in one piece ... after all of the wax-like support material is blown out with a water jet, it becomes an assembly of moving parts.
View behind the scenes information on my 3D Printing Blog at www.tgaw.com
These items will be available on my Etsy site at: