The Grindstone (or Whetstone) cuts and carves various items.
Construction
| Structure Stage | Materials | Reward | Function |
|---|---|---|---|
 Stage 1 |
bought at Market | ||
 Stage 2 = Finished |
50 Wood, 5 Belt, 15 Wheat FB  : same
|
1000  ,50 
|
Function
Supplies
| Item | Ingredient 1 | Ingredient 2 | Time | Sale Price |
Skip cost |
|---|---|---|---|---|---|
 Obsidian Knife |
 1 Quenched Obsidian |
 100 Stones |
4 hr | 10000 
|
|
 Spindle |
1 Stones |
 3 Wood |
1 min | 200
|
1+1 ? 
|
 Knife |
1 Stones |
 1 File |
1 min | 20
|
1+2 ?
|
 Planks x10 |
20 Wood |
5 File |
4 h | 200
|
?
|
 Malachite |
5 Stones |
 5 Malachite Ore |
4 h | 2000
|
1+10 ?
|
 Decorative Marble |
1 Malachite |
 2 Marble |
4 h | 5000
|
?
|
 Sparkling Marble |
1 Malachite |
 5 Red Marble |
4 h | 12,000
|
?
|
 Diamond Dust |
 3 Diamond |
 5 Black pearl |
4 h | 20,000
|
?
|
Temporary
Temporary, event, and former production recipes:
| Item | Ingredient 1 | Ingredient 2 | Time | Sale Price |
Skip cost |
|---|---|---|---|---|---|
 Sun Stone (2016 Sunny Glade event) |
5 Stones |
 20 Sunny Ore |
15 min 
|
1500
|
|
 Meteorite block (Astrology Tower series events) |
 25 Meteorite ore |
 10 Draconite |
5 min
|
1500
|
|
 Birch Plank x10 (2016 Wondergrove event) |
 50 Birch Log |
5 File |
5 min
|
500
|
Jeweler
| Item | Ingredient 1 | Ingredient 2 | Time | Sale Price |
Skip cost |
|---|---|---|---|---|---|
 Rubyrine |
 40 Egg |
3 Draconite |
30min | 1500
|
?
|
 Amethine |
 5 Dragon Tooth |
 5 Pearls |
30min | 1500
|
?
|
 Fluorine |
 20 Honey |
1 Black pearl |
1h | 1500
|
?
|
 Amberine |
 1 Medal |
2 Red Marble |
1h | 1500
|
?
|