3d-cad

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  12 Feb 2025 » Metric Dimensions for the RCWL-1601 Ultrasonic Sensor

  These are surprisingly hard to find. So I’ve made measurements using my digital calipers.more...
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  12 Feb 2025 » Trying out Assemblies in FreeCAD 1.0.0

  I’ve been working on a robotics mentoring project for Coder Dojo KU. There will be a fleet of 10 of these robots. The current task is to model a sensor bracket that I can print for some RCWL-1601 ultrasonic distance sensors.more...
• 14 Jun 2022 » FreeCAD Topological Naming

  My upcoming book on Pico robotics has a section on FreeCAD, and I’ve been using it to make the parts for the book.more...
• 21 Apr 2020 » Piwars 2020 Robot design - The Roof Rack

  The State of The Piwars 2020 Robotmore...
• 02 Mar 2018 » LDraw to OpenSCAD Tool
• 16 May 2014 » Using Heeks CAD to Mill an STL file