5/4/2023 0 Comments Openscad $fn![]() Integration Tests Before Going To ProductĪfter finishing the Motorized Syringe Pump project, I reflected on how I can improve my workflow. Overall, the process was very inefficient and also wasted a lot of plastic (but I recycle my failed prints ♻). I printed each part at least 3 different times until I got it right (well, only 2 times for the big ladders).Īs you can imagine, designing this part took several days, as I had to wait for the parts to print before I could test them, making each iteration taking an hour or more. My design process was the same - designing a single part, printing it, trying to attach it to the other parts, failing, and then iterating until it worked. For instance, this is a linear-motion mechanism I designed a few months ago: I’d usually sketch a solution in my head or scribble it on a piece of paper, take some measurements, and then start designing each of the parts that comprised the mechanism. When I started designing 3d-printed mechanisms, I did it one part at a time. My 3D Design Workflow Was Very Inefficient I will use the finger mechanism I designed for my Trumpet Playing Robot, which will hopefully be ready for display in the Chrome Dev Summit in a few weeks. In this post, I am going to share my workflow with you. I spent about 20 minutes following the tutorial, and by the end of the tutorial, I was able to start modeling simple shapes.Īfter working with OpenSCAD for several years, I developed a workflow which allows modeling complex mechanisms with multiple 3D-printed parts. ![]() I started my journey with OpenSCAD thanks to a great tutorial called Know only 10 things to be dangerous in OpenSCAD. This means you can use variables, loops and functions, create re-usable components, and make parametric designs (such as the small shelf I designed for my bathroom). It has a feature which appeals to software developers (like me): you create your 3D models by writing code. OpenSCAD is my favorite tool for designing 3D-printed parts. My Trumpet-Playing Robot Needed Motor-Controlled Fingers.
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