by LITIO Sheet metal for AutoCAD. It calculates flat (unfolded) sheet development of ducts, rectangle to ound transitions, cylinders, cones, intersections, connections, bifurcations, elbows, etc.
For HVAC, hoppers, cyclones, ducts, silos, piping, etc.
by Clarkscript Multi-featured Ebook, Queen Hynde by James Hogg. Adventure and romance set in the early Scotland of saints and swordsmen. A young Scottish queen must rule, and seek a husband, whilst in imminent peril from a sea-borne Viking attack
