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3D model description
One of my earliest and still one of my very favorite designs, this Twist Cup is a terrific decorative piece and a practical desktop accessory. They stack together very well with a fun little spin.
The thick walls and base give it a nice heft that is satisfying to hold and the twist grooves feel good. I designed this as a parametric surface using Wolfram Mathematica and it is fun to share with my students knowing that it was made with equations that we study in class.
I've had fun photographing the curves within the design. I printed all of these two at a time using duplication mode on my MakerGear M3-ID.
See My Video: youtu.be/irt8Ng4vrVE
I experimented with 0.3 mm vs. 0.15 mm layer height using a copper color filament. The images with the two copper prints show the difference side by side. Left is 0.3 and Right is 0.15. The 0.15 layer height is shinier and smoother to touch, but the 0.3 mm prints came out very nice too and, of course, print twice as fast.
3D printing settings
Model is approximately 90 x 90 x 100 mm.
I printed with both 0.3 mm and 0.15 mm layer heights (see comment on photos above) and 10% infill. However, using 4 outline/perimeter shells makes it essentially solid after the base.
Note: Using the Simplify3D print preview, the very bottom layer looked like it would be printing some extra perimeters on small sections inside the primary boundary. I couldn't easily fix the model, so I used a separate process for the first 2 mm and selected "Merge all outlines into a single model" for that. It worked beautifully and the bases printed very well.
This was not designed to be printed in vase/spiral mode, but I may try creating a modified version in the future to do that.
- 3D file format: STL
- 3D model size: X 89.3 × Y 88.4 × Z 102 mm
- Last update: 2020/03/05 at 04:38
- Publication date: 2020/02/24 at 01:35
I am a high school math teacher and 3D printing hobbyist. I have been 3D printing since 2017 and enjoy making things for my classes and my own children and home in San Diego, California, USA.
I design with Mathematica, CorelDRAW, Fusion 360, and Tinkercad. I love my MakerGear M3-ID and my Palette 2S Pro. I have a Prusa MK3S as well. I started a 3D printing sub-site abbymath.com/3DPrinting, but it needs some updating.
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