PROGRAMS BY Gellis apps

Sheet metal pattern development tools for cones, segmental bends, set on pipes.Plus flange/ tube tables, various calculators and more.This could be the most useful tool in your toolbox.As a fabricator of 45+ years, t

As a fabricator of 40+ years, the last 30 or so as the workshop manager, I have constantly used trigonometry etc. to calculate cones, segmental bends and much more. Nowadays I am constantly asked by the fabricators to calcula