Hackaday

FreeCAD 1.1 Tutorial, For Beginners Who Like Clear Instructions

If you’ve been interested in FreeCAD but haven’t known where to start, here’s a wonderful video tutorial for FreeCAD 1.1 by ...
IEEE

A V-shaped In-pipe Robot Capable of Drawing Route Maps for Both 3-in and 4-in Diameters using Only Low-cost Internal Sensors

Abstract: This paper proposes an in-pipe robot capable of creating route maps for narrow pipelines with inner diameters of both 3-in and 4-in. Pipe route-drawing often relies on external sensors, such ...
Amazon S3 on MSN

Drawing realistic 3D Chinese characters with pencil shading, creating floating text illusion

This video shows the process of drawing realistic 3D Chinese characters using detailed pencil shading and perspective techniques. The artwork creates a striking illusion where the text appears to ...