That's what it says. Free plans for assorted topics. from something to chop the stems off garlic to skylight insulation. A few topics are in a separate document (word-pad) others are on the page.
http://www.plantsciences.ucdavis.edu/LTRAS/itech/
Skylight insulation
Protecting trees from nutria damage
Farm-Scale Food Dehydrator
Hand-held Narrow Flame Propane Weed Burner
A Propane Weed Burner for the Garden
Garlic Clove Separator
Hand Operated Garlic Trimmer
Make Your Own Weeding Spade
Serrated Hand Hoe and Mower Blades
Grain Huller for Rice, Spelt Wheat, Quinoa and Millet
Conversion of a Leaf Shredder/Wood Chipper into a Grain Thresher
Hand Operated Vacuum Packing System for Seed Storage
Hand Operated Winnower
Small Electric Winnower
Bug Zapper
Not at all sure why none of those past the main web site would open this morning. Now they seem to.