(It's a VERY useful tool.) Again I hallowed out the tree using a paraboloid shape, which also provided the support for the star on the top! I created "hole" shapes slightly smaller than the solid shapes to create a hollow container.įor the tree, I used toruses which I sized and placed by typing in the exact sizes I wanted and used the alignment tool. I used very similar shapes as Tracy (we didn't look at each other's designs until the end!) I made the container for the tree out of a tube for the base, an upside-down paraboloid and a torus for decoration. I discovered the base wasn't flat and wide enough to support the rest of the structure. For example, it had a torus shape as the base which made the tree fall over during printing. You need to design with the making constraints in mind. There is definitely a difference between 3d modelling for a game or a graphic and 3d modelling for 3D printing. I've not made many 3d designs to 3d print (yet), so making this Christmas tree was a bit of a learning curve. I also love being able to parameterise models (like the furniture we made for Arckit.) I'm not artistic and prefer the clarity and precision of a coding approach. I now use BlocksCAD in preference to OpenSCAD because it's quick and browser based with a cloud account and I usually want children and beginners to be able to recreate the projects I make. BlocksCAD is based on OpenSCAD and takes the same coding based approach to creating and combining geometric objects. Before BlocksCAD, OpenSCAD was my go-to tool. Why Tracy likes BlocksCADBlocksCAD allows you to create 3D models using drag and drop coding. But as a go-to tool for quick modelling we each have a clear preference. We should say that we both like both tools and can see different situations where each is a better fit. Our brief was to create a partially hollow Christmas tree using two different colours based on a quick sketch. We had a bit of a competition to design a Christmas tree using our favourite tools for 3D printing on the XYZPrinting da Vinic Jr 2.0 Mix colour printer. Tracy likes to code 3D models with BlocksCAD whereas Elbrie prefers to create with graphical components using Tinkercad. We've had a bit of Christmas fun creating Christmas tree models using our favourite beginner 3D modelling software.
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