Category Archives: 3D Design

How to sketch equation curves in Fusion 360

The ability to sketch an equation curve is available in Autodesk’s more professional (and expensive) CAD product, Autodesk Inventor, but is missing from Fusion360’s. This tutorial details how you can get similar functionality using the Fusion 360 API. The Fusion 360 API (Application Programming … Continue reading

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CAD design of a DIY Strain Wave (harmonic drive) Reduction in Fusion 360

Strain wave gearing is known for its near zero backlash, compact design and axial construction. However it is not known for being cheap. This is why Simon Merrett created waves (pun fully intended) with his DIY 3D printed strain wave gear reduction first … Continue reading

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Full guide to creating a HTD timing pulley in CAD (Fusion 360)

After having some trouble finding a clear guide on how to create the correct tooth profile for a HTD 5M timing pulley  I have decided to create my own. This method will also work for a HTD 3M or 8M … Continue reading

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Drawing gears in Sketchup.

Update: March 2015 For a copy of the plugin please see this link as the original owner appears to have moved the site. This version has been updated to work with the newer versions of sketchup. If you have trouble with this … Continue reading

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Rethinking the Mantis Repstrap.

The Mantis CNC is a well thought out and very easy to construct PCB mill. Unfortunately, as it was originally designed as a PCB milling tool its build area is very restricted both horizontally and vertically. Because of this, and a few … Continue reading

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Using sketchup’s ‘Import Photo’ Function to model objects.

In sketchup there are a number of ways in which you can import an image. These are outlined in the short video below that’s made by concept3d. With this in mind I thought, I would have a go at copying an object … Continue reading

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A Mendel built in sketchup

By using the supplied STL files, a few hours of my time and the mechanical construction  instructions I was able to make a fairly accurate representation of the Mendel in sketchup. You can also see a rather nifty interactive 3D view at this link. … Continue reading

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