ATD = Advanced Tool Design. Not very creative, but there ya go.
Yes, I understand what it means. I just think acronyms in workshop names are out of character, and they don't reveal anything about the workshop without additional explanation. A foundry is a workshop for casting metals, which is what you do here. Short, simple, and meaningful.
Can't use sand in reactions - same issue as with extracts. And if I changed it to clay or plaster, people in volcanic biomes would be SOL - little-to-no wood, which was the purpose of making the metal beds possible, and no gypsum.
Too bad about those restrictions on reactions. Oh well.
ITEM_TOY is a recognised item token. ITEM_TOOL is not. You can't magic up raw tags out of thin air. Also, AFAIK, toys are just like crafts - completely useless, except for trading.
I didn't magic it up. I noticed ITEM_TOOL is used in item_tool.txt in the .18 release. I don't know if it's usable for dwarf mode objects or not, but it's there.
I'm slightly disappointed that most of what you've said you liked about this mod was done by oher people. And the Gem Workshop will have more functionality as soon as I figure out more stuff to do with it.
Sorry to disappoint. People have different tastes, and this just reflects mine. Few other mods really strike my fancy, either, but several have pieces I'm inclined to pick out.
I know what you mean with the bit about the extra materials. More or less the only thing I don't like about mods in general, really.
It sure would be nice if we could sort and organize our materials without scanning through so many long (and usually poorly ordered) lists.