I use many self-made libraries for many of my OpenSCAD projects. If you compile one of my scads and it says "file not found", good odds it's looking for one of these.
Also found here are explanations for math too complicated to elegantly display in a computer language, and references I don't want to lose.
Apache Server at burningsmell.org Port 80Name Last modified Size Description
Parent Directory -
dimensions/ 09-Feb-2018 18:55 - Measurements and Tables
Gerotor_Modeling_with_NX3.pdf 09-Jan-2017 22:15 1.2M Magic formula for making gerotors
tsmthread.scad 09-Jan-2017 22:11 2.3K Fast OpenSCAD Thread Generator
util-0.0.1.scad 09-Jan-2017 19:28 6.2K Old lib for pre-2016 OpenSCAD
util-0.1.0.scad 12-Jul-2017 17:53 7.6K
util-0.1.1.scad 12-Sep-2017 19:53 8.8K Now with support() module
util.scad 12-Sep-2017 19:53 8.8K Tons of little time-saving one-shots. Latest version.
vitamins/ 17-Jul-2017 19:58 -