3D-Printed Guns Are Getting Good

The 3D-printed gun movement has survived the downfall of its charismatic founder, a major defeat at the Supreme Court, and ...
IEEE

3D GPR imaging of shallow plastic pipes, tree roots, and small objects

Abstract: Obtaining high quality and easy to interpret horizontal slices of the shallow subsurface depends on how a 3D ground penetrating radar (GPR) survey is acquired and processed. A field site ...
IEEE

Application of Adaptive Cubature Kalman Filter to In-Pipe Survey System for 3D Small-Diameter Pipeline Mapping

Abstract: A modified cubature Kalman filter (CKF) algorithm is proposed for an in-pipe survey system. This survey system can provide accurate three-dimensional (3D) location information for ...
GitHub

The Belfry OpenScad Library, v2

A library for OpenSCAD, filled with useful tools, shapes, masks, math and manipulators, designed to make OpenSCAD easier to use. Requires OpenSCAD 2021.01 or later. NOTE: BOSL2 IS BETA CODE. THE CODE ...
GitHub

rounding.scad

Routines to create rounded corners, with either circular rounding, or continuous curvature rounding with no sudden curvature transitions. Provides rounding of corners or rounding that preserves corner ...
Computerworld

Industry

Gov't IT spending seen as key to building Europe’s tech ecosystem At a recent Nextcloud-hosted roundtable, digital sovereignty backers in the EU looking to reduce reliance on US tech firms described ...