CAD

Design for 3D printing thumbnail showing CAD design rules, comparing bad vs good geometry with overhang angle, fillet, and optimized 3D printable part.

3D-printing, CAD

CAD Design Rules for 3D Printing | Design for 3D printing

souvik / April 12, 2026

Hi makers! Let’s talk honestly for a moment. We all know how to use CAD. We all know how to […]

Spur gear design in FreeCAD CAD tutorial showing meshing gears with correct center distance and pressure angle

Spur Gear Design in FreeCAD – Step-by-Step CAD Tutorial (RenderWrench Gear Series #6)

souvik / December 21, 2025

Hi makers! Welcome to my blog. This the continuation post of RenderWrench Gear Series. Today’s blog is a special one

Welcome to RenderWrench

souvik / September 22, 2025

Hey there! I’m Souvik — a mechanical engineer by profession, and a tech enthusiast and DIY maker at heart. Over